22664382628 has 12 divisors (see below), whose sum is σ = 40055370012. Its totient is φ = 11219991200.

The previous prime is 22664382607. The next prime is 22664382641. The reversal of 22664382628 is 82628346622.

It can be written as a sum of positive squares in 2 ways, for example, as 21940126884 + 724255744 = 148122^2 + 26912^2 .

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, 28049575 + ... + 28050382.

It is an arithmetic number, because the mean of its divisors is an integer number (3337947501).

Almost surely, 2^22664382628 is an apocalyptic number.

It is an amenable number.

22664382628 is a deficient number, since it is larger than the sum of its proper divisors (17390987384).

22664382628 is a wasteful number, since it uses less digits than its factorization.

22664382628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56100062 (or 56100060 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 49.

The spelling of 22664382628 in words is "twenty-two billion, six hundred sixty-four million, three hundred eighty-two thousand, six hundred twenty-eight".