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222533130 = 23519675827
BaseRepresentation
bin11010100001110…
…01011000001010
3120111201212001210
431100321120022
5423432030010
634025353550
75341333431
oct1520713012
9514655053
10222533130
11104683486
12626388b6
1337146711
14217aa118
151480ab20
hexd43960a

222533130 has 64 divisors (see below), whose sum is σ = 570677760. Its totient is φ = 55370304.

The previous prime is 222533107. The next prime is 222533131. The reversal of 222533130 is 31335222.

It is a junction number, because it is equal to n+sod(n) for n = 222533097 and 222533106.

It is not an unprimeable number, because it can be changed into a prime (222533131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35277 + ... + 41103.

It is an arithmetic number, because the mean of its divisors is an integer number (8916840).

Almost surely, 2222533130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222533130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285338880).

222533130 is an abundant number, since it is smaller than the sum of its proper divisors (348144630).

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

222533130 is a wasteful number, since it uses less digits than its factorization.

222533130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 222533130 is about 14917.5443689637. The cubic root of 222533130 is about 605.9892111053.

Adding to 222533130 its reverse (31335222), we get a palindrome (253868352).

The spelling of 222533130 in words is "two hundred twenty-two million, five hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 67 95 114 134 190 201 285 335 402 570 670 1005 1273 2010 2546 3819 5827 6365 7638 11654 12730 17481 19095 29135 34962 38190 58270 87405 110713 174810 221426 332139 390409 553565 664278 780818 1107130 1171227 1660695 1952045 2342454 3321390 3904090 5856135 7417771 11712270 14835542 22253313 37088855 44506626 74177710 111266565 222533130