22512980 has 24 divisors (see below), whose sum is σ = 54031488. Its totient is φ = 7718688.

The previous prime is 22512949. The next prime is 22512989. The reversal of 22512980 is 8921522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80264 + ... + 80543.

It is an arithmetic number, because the mean of its divisors is an integer number (2251312).

Almost surely, 2^22512980 is an apocalyptic number.

22512980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22512980 is an abundant number, since it is smaller than the sum of its proper divisors (31518508).

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

22512980 is a wasteful number, since it uses less digits than its factorization.

22512980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160823 (or 160821 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 22512980 is about 4744.7845051172. The cubic root of 22512980 is about 282.3650855513.

The spelling of 22512980 in words is "twenty-two million, five hundred twelve thousand, nine hundred eighty".