22980280 has 16 divisors (see below), whose sum is σ = 51705720. Its totient is φ = 9192096.

The previous prime is 22980271. The next prime is 22980301. The reversal of 22980280 is 8208922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287214 + ... + 287293.

Almost surely, 2^22980280 is an apocalyptic number.

22980280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22980280 is an abundant number, since it is smaller than the sum of its proper divisors (28725440).

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

22980280 is a wasteful number, since it uses less digits than its factorization.

22980280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574518 (or 574514 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 22980280 is about 4793.7751303122. The cubic root of 22980280 is about 284.3053978514.

The spelling of 22980280 in words is "twenty-two million, nine hundred eighty thousand, two hundred eighty".