22668806464 has 28 divisors (see below), whose sum is σ = 45150671700. Its totient is φ = 11292259328.

The previous prime is 22668806431. The next prime is 22668806467. The reversal of 22668806464 is 46460886622.

It can be written as a sum of positive squares in 2 ways, for example, as 1024512064 + 21644294400 = 32008^2 + 147120^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22668806467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641149 + ... + 675580.

Almost surely, 2^22668806464 is an apocalyptic number.

It is an amenable number.

22668806464 is a deficient number, since it is larger than the sum of its proper divisors (22481865236).

22668806464 is a wasteful number, since it uses less digits than its factorization.

22668806464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317010 (or 1317000 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 52.

The spelling of 22668806464 in words is "twenty-two billion, six hundred sixty-eight million, eight hundred six thousand, four hundred sixty-four".