22664728873464 has 16 divisors (see below), whose sum is σ = 56661822183720. Its totient is φ = 7554909624480.

The previous prime is 22664728873403. The next prime is 22664728873511. The reversal of 22664728873464 is 46437882746622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472181851507 + ... + 472181851554.

Almost surely, 2^{22664728873464} is an apocalyptic number.

22664728873464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22664728873464 is an abundant number, since it is smaller than the sum of its proper divisors (33997093310256).

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

22664728873464 is a wasteful number, since it uses less digits than its factorization.

22664728873464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944363703070 (or 944363703066 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 69.

The spelling of 22664728873464 in words is "twenty-two trillion, six hundred sixty-four billion, seven hundred twenty-eight million, eight hundred seventy-three thousand, four hundred sixty-four".