22901604 has 24 divisors (see below), whose sum is σ = 58295328. Its totient is φ = 6939840.

The previous prime is 22901587. The next prime is 22901623. The reversal of 22901604 is 40610922.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86617 + ... + 86880.

It is an arithmetic number, because the mean of its divisors is an integer number (2428972).

Almost surely, 2^22901604 is an apocalyptic number.

It is an amenable number.

22901604 is an abundant number, since it is smaller than the sum of its proper divisors (35393724).

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

22901604 is a wasteful number, since it uses less digits than its factorization.

22901604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173515 (or 173513 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22901604 is about 4785.5620359577. The cubic root of 22901604 is about 283.9805746153.

The spelling of 22901604 in words is "twenty-two million, nine hundred one thousand, six hundred four".