22813604 has 48 divisors (see below), whose sum is σ = 47476800. Its totient is φ = 9475200.

The previous prime is 22813603. The next prime is 22813619. The reversal of 22813604 is 40631822.

It is not an unprimeable number, because it can be changed into a prime (22813601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23774 + ... + 24714.

It is an arithmetic number, because the mean of its divisors is an integer number (989100).

Almost surely, 2^22813604 is an apocalyptic number.

It is an amenable number.

22813604 is an abundant number, since it is smaller than the sum of its proper divisors (24663196).

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

22813604 is a wasteful number, since it uses less digits than its factorization.

22813604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22813604 is about 4776.3588642396. The cubic root of 22813604 is about 283.6163735214.

It can be divided in two parts, 2281 and 3604, that added together give a palindrome (5885).

The spelling of 22813604 in words is "twenty-two million, eight hundred thirteen thousand, six hundred four".