22127657660 has 24 divisors (see below), whose sum is σ = 46547267760. Its totient is φ = 8835979904.

The previous prime is 22127657653. The next prime is 22127657723. The reversal of 22127657660 is 6675672122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930665 + ... + 954144.

It is an arithmetic number, because the mean of its divisors is an integer number (1939469490).

Almost surely, 2^22127657660 is an apocalyptic number.

22127657660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22127657660 is an abundant number, since it is smaller than the sum of its proper divisors (24419610100).

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

22127657660 is a wasteful number, since it uses less digits than its factorization.

22127657660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885405 (or 1885403 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 22127657660 in words is "twenty-two billion, one hundred twenty-seven million, six hundred fifty-seven thousand, six hundred sixty".