Search a number
-
+
2120222 = 21381547
BaseRepresentation
bin1000000101101000011110
310222201101202
420011220132
51020321342
6113235502
724010256
oct10055036
93881352
102120222
111218a55
12862b92
13593090
143d2966
152bd332
hex205a1e

2120222 has 8 divisors (see below), whose sum is σ = 3425016. Its totient is φ = 978552.

The previous prime is 2120221. The next prime is 2120227. The reversal of 2120222 is 2220212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40748 + ... + 40799.

It is an arithmetic number, because the mean of its divisors is an integer number (428127).

22120222 is an apocalyptic number.

2120222 is a deficient number, since it is larger than the sum of its proper divisors (1304794).

2120222 is a wasteful number, since it uses less digits than its factorization.

2120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81562.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2120222 is about 1456.0982109734. The cubic root of 2120222 is about 128.4676497064.

Adding to 2120222 its reverse (2220212), we get a palindrome (4340434).

The spelling of 2120222 in words is "two million, one hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 13 26 81547 163094 1060111 2120222