22555646405560 has 16 divisors (see below), whose sum is σ = 50750204412600. Its totient is φ = 9022258562208.

The previous prime is 22555646405549. The next prime is 22555646405581. The reversal of 22555646405560 is 6550464655522.

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, 281945580030 + ... + 281945580109.

Almost surely, 2^{22555646405560} is an apocalyptic number.

22555646405560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22555646405560 is an abundant number, since it is smaller than the sum of its proper divisors (28194558007040).

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

22555646405560 is a wasteful number, since it uses less digits than its factorization.

22555646405560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563891160150 (or 563891160146 counting only the distinct ones).

The product of its (nonzero) digits is 43200000, while the sum is 55.

The spelling of 22555646405560 in words is "twenty-two trillion, five hundred fifty-five billion, six hundred forty-six million, four hundred five thousand, five hundred sixty".