22972956 has 48 divisors (see below), whose sum is σ = 56010528. Its totient is φ = 7321600.

The previous prime is 22972951. The next prime is 22972987. The reversal of 22972956 is 65927922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22972951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25636 + ... + 26516.

It is an arithmetic number, because the mean of its divisors is an integer number (1166886).

Almost surely, 2^22972956 is an apocalyptic number.

It is an amenable number.

22972956 is an abundant number, since it is smaller than the sum of its proper divisors (33037572).

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

22972956 is a wasteful number, since it uses less digits than its factorization.

22972956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 980 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 22972956 is about 4793.0111620984. The cubic root of 22972956 is about 284.2751911701.

It can be divided in two parts, 2297 and 2956, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 22972956 in words is "twenty-two million, nine hundred seventy-two thousand, nine hundred fifty-six".