22064304 has 40 divisors (see below), whose sum is σ = 57426880. Its totient is φ = 7299648.

The previous prime is 22064303. The next prime is 22064311. The reversal of 22064304 is 40346022.

It is a super-2 number, since 2×22064304² = 973667022008832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22064303) 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, 5019 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (1435672).

Almost surely, 2^22064304 is an apocalyptic number.

22064304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22064304 is an abundant number, since it is smaller than the sum of its proper divisors (35362576).

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

22064304 is a wasteful number, since it uses less digits than its factorization.

22064304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457 (or 3451 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22064304 is about 4697.2655875520. The cubic root of 22064304 is about 280.4766710495.

The spelling of 22064304 in words is "twenty-two million, sixty-four thousand, three hundred four".