22681818180 has 96 divisors (see below), whose sum is σ = 80646478080. Its totient is φ = 5184414720.

The previous prime is 22681818179. The next prime is 22681818191. The reversal of 22681818180 is 8181818622.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2996461 + ... + 3004020.

It is an arithmetic number, because the mean of its divisors is an integer number (840067480).

Almost surely, 2^22681818180 is an apocalyptic number.

22681818180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22681818180 is an abundant number, since it is smaller than the sum of its proper divisors (57964659900).

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

22681818180 is a wasteful number, since it uses less digits than its factorization.

22681818180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000506 (or 6000498 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 45.

The spelling of 22681818180 in words is "twenty-two billion, six hundred eighty-one million, eight hundred eighteen thousand, one hundred eighty".