22604928 has 96 divisors (see below), whose sum is σ = 63146160. Its totient is φ = 7160832.

The previous prime is 22604903. The next prime is 22604947. The reversal of 22604928 is 82940622.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525675 + ... + 525717.

Almost surely, 2^22604928 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 22604928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31573080).

22604928 is an abundant number, since it is smaller than the sum of its proper divisors (40541232).

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

22604928 is an equidigital number, since it uses as much as digits as its factorization.

22604928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 22604928 is about 4754.4640076459. The cubic root of 22604928 is about 282.7489772556.

It can be divided in two parts, 22604 and 928, that added together give a palindrome (23532).

The spelling of 22604928 in words is "twenty-two million, six hundred four thousand, nine hundred twenty-eight".