22556336122566 has 12 divisors (see below), whose sum is σ = 48872061598932. Its totient is φ = 7518778707516.

The previous prime is 22556336122517. The next prime is 22556336122583. The reversal of 22556336122566 is 66522163365522.

22556336122566 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 63 + 3 + 6 + 12 + 2 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 626564892276 + ... + 626564892311.

It is an arithmetic number, because the mean of its divisors is an integer number (4072671799911).

Almost surely, 2^{22556336122566} is an apocalyptic number.

22556336122566 is an abundant number, since it is smaller than the sum of its proper divisors (26315725476366).

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

22556336122566 is a wasteful number, since it uses less digits than its factorization.

22556336122566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253129784595 (or 1253129784592 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 22556336122566 in words is "twenty-two trillion, five hundred fifty-six billion, three hundred thirty-six million, one hundred twenty-two thousand, five hundred sixty-six".