22008660000 has 120 divisors (see below), whose sum is σ = 72193003344. Its totient is φ = 5868960000.

The previous prime is 22008659999. The next prime is 22008660041. The reversal of 22008660000 is 6680022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×22008660000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 123406 + ... + 243405.

Almost surely, 2^22008660000 is an apocalyptic number.

22008660000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22008660000 is an abundant number, since it is smaller than the sum of its proper divisors (50184343344).

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

22008660000 is an equidigital number, since it uses as much as digits as its factorization.

22008660000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366844 (or 366821 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 22008660000 in words is "twenty-two billion, eight million, six hundred sixty thousand".