22957272 has 48 divisors (see below), whose sum is σ = 66961440. Its totient is φ = 7063488.

The previous prime is 22957261. The next prime is 22957307. The reversal of 22957272 is 27275922.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11328 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (1395030).

Almost surely, 2^22957272 is an apocalyptic number.

It is an amenable number.

22957272 is an abundant number, since it is smaller than the sum of its proper divisors (44004168).

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

22957272 is a wasteful number, since it uses less digits than its factorization.

22957272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24552 (or 24545 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 22957272 is about 4791.3747505283. The cubic root of 22957272 is about 284.2104833875.

The spelling of 22957272 in words is "twenty-two million, nine hundred fifty-seven thousand, two hundred seventy-two".