22308964 has 48 divisors (see below), whose sum is σ = 44997120. Its totient is φ = 9607680.

The previous prime is 22308953. The next prime is 22308971. The reversal of 22308964 is 46980322.

It is a super-3 number, since 3×22308964³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39774 + ... + 40330.

It is an arithmetic number, because the mean of its divisors is an integer number (937440).

Almost surely, 2^22308964 is an apocalyptic number.

It is an amenable number.

22308964 is an abundant number, since it is smaller than the sum of its proper divisors (22688156).

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

22308964 is a wasteful number, since it uses less digits than its factorization.

22308964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 22308964 is about 4723.2366021617. The cubic root of 22308964 is about 281.5095510832.

The spelling of 22308964 in words is "twenty-two million, three hundred eight thousand, nine hundred sixty-four".