22685304 has 32 divisors (see below), whose sum is σ = 58544640. Its totient is φ = 7317600.

The previous prime is 22685263. The next prime is 22685309. The reversal of 22685304 is 40358622.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22685309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14502 + ... + 15989.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 2^22685304 is an apocalyptic number.

22685304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22685304 is an abundant number, since it is smaller than the sum of its proper divisors (35859336).

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

22685304 is a wasteful number, since it uses less digits than its factorization.

22685304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30531 (or 30527 counting only the distinct ones).

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

The square root of 22685304 is about 4762.9091950194. The cubic root of 22685304 is about 283.0837029270.

The spelling of 22685304 in words is "twenty-two million, six hundred eighty-five thousand, three hundred four".