22972164 has 24 divisors (see below), whose sum is σ = 53803008. Its totient is φ = 7628640.

The previous prime is 22972163. The next prime is 22972171. The reversal of 22972164 is 46127922.

It is not an unprimeable number, because it can be changed into a prime (22972163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 6779.

It is an arithmetic number, because the mean of its divisors is an integer number (2241792).

Almost surely, 2^22972164 is an apocalyptic number.

It is an amenable number.

22972164 is an abundant number, since it is smaller than the sum of its proper divisors (30830844).

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

22972164 is a wasteful number, since it uses less digits than its factorization.

22972164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195 (or 7193 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 22972164 is about 4792.9285410905. The cubic root of 22972164 is about 284.2719243065.

The spelling of 22972164 in words is "twenty-two million, nine hundred seventy-two thousand, one hundred sixty-four".