22972056 has 16 divisors (see below), whose sum is σ = 57430200. Its totient is φ = 7657344.

The previous prime is 22972003. The next prime is 22972067. The reversal of 22972056 is 65027922.

It is a happy number.

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, 478561 + ... + 478608.

Almost surely, 2^22972056 is an apocalyptic number.

It is an amenable number.

22972056 is an abundant number, since it is smaller than the sum of its proper divisors (34458144).

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

22972056 is a wasteful number, since it uses less digits than its factorization.

22972056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957178 (or 957174 counting only the distinct ones).

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

The square root of 22972056 is about 4792.9172744791. The cubic root of 22972056 is about 284.2714788193.

Adding to 22972056 its reverse (65027922), we get a palindrome (87999978).

The spelling of 22972056 in words is "twenty-two million, nine hundred seventy-two thousand, fifty-six".