22956072 has 16 divisors (see below), whose sum is σ = 57390240. Its totient is φ = 7652016.

The previous prime is 22956071. The next prime is 22956079. The reversal of 22956072 is 27065922.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22956071) 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, 478228 + ... + 478275.

It is an arithmetic number, because the mean of its divisors is an integer number (3586890).

Almost surely, 2^22956072 is an apocalyptic number.

It is an amenable number.

22956072 is an abundant number, since it is smaller than the sum of its proper divisors (34434168).

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

22956072 is a wasteful number, since it uses less digits than its factorization.

22956072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956512 (or 956508 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 22956072 is about 4791.2495238716. The cubic root of 22956072 is about 284.2055313107.

The spelling of 22956072 in words is "twenty-two million, nine hundred fifty-six thousand, seventy-two".