22385604 has 12 divisors (see below), whose sum is σ = 52233104. Its totient is φ = 7461864.

The previous prime is 22385581. The next prime is 22385609. The reversal of 22385604 is 40658322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22385604² = 1002230532889632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22385609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932722 + ... + 932745.

Almost surely, 2^22385604 is an apocalyptic number.

It is an amenable number.

22385604 is an abundant number, since it is smaller than the sum of its proper divisors (29847500).

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

22385604 is a wasteful number, since it uses less digits than its factorization.

22385604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865474 (or 1865472 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 22385604 is about 4731.3427269645. The cubic root of 22385604 is about 281.8315477027.

The spelling of 22385604 in words is "twenty-two million, three hundred eighty-five thousand, six hundred four".