22604 has 6 divisors (see below), whose sum is σ = 39564. Its totient is φ = 11300.

The previous prime is 22573. The next prime is 22613. The reversal of 22604 is 40622.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (6594).

2²²⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

22604 is a deficient number, since it is larger than the sum of its proper divisors (16960).

22604 is a wasteful number, since it uses less digits than its factorization.

22604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5655 (or 5653 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22604 is about 150.3462669972. The cubic root of 22604 is about 28.2745107972.

It can be divided in two parts, 22 and 604, that added together give a palindrome (626).

The spelling of 22604 in words is "twenty-two thousand, six hundred four".