22999980 has 48 divisors (see below), whose sum is σ = 68191200. Its totient is φ = 5772288.

The previous prime is 22999979. The next prime is 22999993. The reversal of 22999980 is 8999922.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10255 + ... + 12294.

It is an arithmetic number, because the mean of its divisors is an integer number (1420650).

Almost surely, 2^22999980 is an apocalyptic number.

22999980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22999980 is an abundant number, since it is smaller than the sum of its proper divisors (45191220).

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

22999980 is a wasteful number, since it uses less digits than its factorization.

22999980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578 (or 22576 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 22999980 is about 4795.8294381681. The cubic root of 22999980 is about 284.3866155542.

The spelling of 22999980 in words is "twenty-two million, nine hundred ninety-nine thousand, nine hundred eighty".