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2206470 = 235721979
BaseRepresentation
bin1000011010101100000110
311011002201010
420122230012
51031101340
6115143050
724516600
oct10325406
94132633
102206470
111277832
128a4a86
135c3406
14416170
152d8b80
hex21ab06

2206470 has 96 divisors (see below), whose sum is σ = 6566400. Its totient is φ = 471744.

The previous prime is 2206469. The next prime is 2206471. The reversal of 2206470 is 746022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2206469) and next prime (2206471).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27891 + ... + 27969.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

22206470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3283200).

2206470 is an abundant number, since it is smaller than the sum of its proper divisors (4359930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2206470 is a wasteful number, since it uses less digits than its factorization.

2206470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2206470 is about 1485.4191327703. The cubic root of 2206470 is about 130.1865172765.

The spelling of 2206470 in words is "two million, two hundred six thousand, four hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 49 57 70 79 95 98 105 114 133 147 158 190 210 237 245 266 285 294 395 399 474 490 553 570 665 735 790 798 931 1106 1185 1330 1470 1501 1659 1862 1995 2370 2765 2793 3002 3318 3871 3990 4503 4655 5530 5586 7505 7742 8295 9006 9310 10507 11613 13965 15010 16590 19355 21014 22515 23226 27930 31521 38710 45030 52535 58065 63042 73549 105070 116130 147098 157605 220647 315210 367745 441294 735490 1103235 2206470