22980156 has 24 divisors (see below), whose sum is σ = 54225360. Its totient is φ = 7573632.

The previous prime is 22980137. The next prime is 22980163. The reversal of 22980156 is 65108922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9691 + ... + 11826.

It is an arithmetic number, because the mean of its divisors is an integer number (2259390).

Almost surely, 2^22980156 is an apocalyptic number.

It is an amenable number.

22980156 is an abundant number, since it is smaller than the sum of its proper divisors (31245204).

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

22980156 is a wasteful number, since it uses less digits than its factorization.

22980156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21613 (or 21611 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 22980156 is about 4793.7621968554. The cubic root of 22980156 is about 284.3048864864.

The spelling of 22980156 in words is "twenty-two million, nine hundred eighty thousand, one hundred fifty-six".