22766664 has 32 divisors (see below), whose sum is σ = 57853440. Its totient is φ = 7464000.

The previous prime is 22766657. The next prime is 22766677. The reversal of 22766664 is 46666722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6312 + ... + 9239.

It is an arithmetic number, because the mean of its divisors is an integer number (1807920).

Almost surely, 2^22766664 is an apocalyptic number.

22766664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22766664 is an abundant number, since it is smaller than the sum of its proper divisors (35086776).

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

22766664 is a wasteful number, since it uses less digits than its factorization.

22766664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621 (or 15617 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 22766664 is about 4771.4425491669. The cubic root of 22766664 is about 283.4217222118.

The spelling of 22766664 in words is "twenty-two million, seven hundred sixty-six thousand, six hundred sixty-four".