22928672 has 24 divisors (see below), whose sum is σ = 48614076. Its totient is φ = 10582272.

The previous prime is 22928671. The next prime is 22928681. The reversal of 22928672 is 27682922.

It can be written as a sum of positive squares in 2 ways, for example, as 22619536 + 309136 = 4756^2 + 556^2 .

It is not an unprimeable number, because it can be changed into a prime (22928671) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27143 + ... + 27974.

Almost surely, 2^22928672 is an apocalyptic number.

It is an amenable number.

22928672 is an abundant number, since it is smaller than the sum of its proper divisors (25685404).

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

22928672 is a wasteful number, since it uses less digits than its factorization.

22928672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55140 (or 55132 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 22928672 is about 4788.3892907741. The cubic root of 22928672 is about 284.0924119023.

The spelling of 22928672 in words is "twenty-two million, nine hundred twenty-eight thousand, six hundred seventy-two".