22808664 has 48 divisors (see below), whose sum is σ = 65028600. Its totient is φ = 7202304.

The previous prime is 22808659. The next prime is 22808671. The reversal of 22808664 is 46680822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6969 + ... + 9704.

Almost surely, 2^22808664 is an apocalyptic number.

22808664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22808664 is an abundant number, since it is smaller than the sum of its proper divisors (42219936).

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

22808664 is a wasteful number, since it uses less digits than its factorization.

22808664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16704 (or 16697 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 22808664 is about 4775.8417059195. The cubic root of 22808664 is about 283.5959008534.

It can be divided in two parts, 228086 and 64, that added together give a triangular number (228150 = T₆₇₅).

The spelling of 22808664 in words is "twenty-two million, eight hundred eight thousand, six hundred sixty-four".