22766464 has 32 divisors (see below), whose sum is σ = 51836400. Its totient is φ = 9756672.

The previous prime is 22766461. The next prime is 22766477. The reversal of 22766464 is 46466722.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22766461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11809 + ... + 13600.

Almost surely, 2^22766464 is an apocalyptic number.

It is an amenable number.

22766464 is an abundant number, since it is smaller than the sum of its proper divisors (29069936).

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

22766464 is an equidigital number, since it uses as much as digits as its factorization.

22766464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25430 (or 25418 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 22766464 is about 4771.4215910984. The cubic root of 22766464 is about 283.4208922775.

The spelling of 22766464 in words is "twenty-two million, seven hundred sixty-six thousand, four hundred sixty-four".