22664871690 has 32 divisors (see below), whose sum is σ = 55084250880. Its totient is φ = 5967459264.

The previous prime is 22664871643. The next prime is 22664871703. The reversal of 22664871690 is 9617846622.

It is a super-2 number, since 2×22664871690² (a number of 22 digits) contains 22 as substring.

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, 4779249 + ... + 4783988.

It is an arithmetic number, because the mean of its divisors is an integer number (1721382840).

Almost surely, 2^22664871690 is an apocalyptic number.

22664871690 is an abundant number, since it is smaller than the sum of its proper divisors (32419379190).

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

22664871690 is a wasteful number, since it uses less digits than its factorization.

22664871690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563326.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 22664871690 in words is "twenty-two billion, six hundred sixty-four million, eight hundred seventy-one thousand, six hundred ninety".