22976928 has 216 divisors, whose sum is σ = 78633828. Its totient is φ = 6303744.

The previous prime is 22976923. The next prime is 22976929. The reversal of 22976928 is 82967922.

It can be written as a sum of positive squares in 2 ways, for example, as 22924944 + 51984 = 4788^2 + 228^2 .

Its product of digits (217728) is a multiple of the sum of its prime divisors (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22976923) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1209303 + ... + 1209321.

Almost surely, 2^22976928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22976928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39316914).

22976928 is an abundant number, since it is smaller than the sum of its proper divisors (55656900).

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

22976928 is a wasteful number, since it uses less digits than its factorization.

22976928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 54 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 22976928 is about 4793.4254974913. The cubic root of 22976928 is about 284.2915738534.

The spelling of 22976928 in words is "twenty-two million, nine hundred seventy-six thousand, nine hundred twenty-eight".