22904256 has 28 divisors (see below), whose sum is σ = 60601352. Its totient is φ = 7634688.

The previous prime is 22904249. The next prime is 22904267. The reversal of 22904256 is 65240922.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59455 + ... + 59838.

It is an arithmetic number, because the mean of its divisors is an integer number (2164334).

Almost surely, 2^22904256 is an apocalyptic number.

It is an amenable number.

22904256 is an abundant number, since it is smaller than the sum of its proper divisors (37697096).

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

22904256 is a wasteful number, since it uses less digits than its factorization.

22904256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119308 (or 119298 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 22904256 is about 4785.8391113785. The cubic root of 22904256 is about 283.9915358186.

The spelling of 22904256 in words is "twenty-two million, nine hundred four thousand, two hundred fifty-six".