22538979980 has 24 divisors (see below), whose sum is σ = 51634754640. Its totient is φ = 8195992640.

The previous prime is 22538979971. The next prime is 22538980007. The reversal of 22538979980 is 8997983522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51224735 + ... + 51225174.

It is an arithmetic number, because the mean of its divisors is an integer number (2151448110).

Almost surely, 2^22538979980 is an apocalyptic number.

22538979980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22538979980 is an abundant number, since it is smaller than the sum of its proper divisors (29095774660).

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

22538979980 is a wasteful number, since it uses less digits than its factorization.

22538979980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102449929 (or 102449927 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 22538979980 in words is "twenty-two billion, five hundred thirty-eight million, nine hundred seventy-nine thousand, nine hundred eighty".