22498180 has 24 divisors (see below), whose sum is σ = 47737368. Its totient is φ = 8905728.

The previous prime is 22498169. The next prime is 22498181. The reversal of 22498180 is 8189422.

It can be written as a sum of positive squares in 4 ways, for example, as 5391684 + 17106496 = 2322^2 + 4136^2 .

It is not an unprimeable number, because it can be changed into a prime (22498181) 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, 3859 + ... + 7738.

It is an arithmetic number, because the mean of its divisors is an integer number (1989057).

Almost surely, 2^22498180 is an apocalyptic number.

22498180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22498180 is an abundant number, since it is smaller than the sum of its proper divisors (25239188).

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

22498180 is a wasteful number, since it uses less digits than its factorization.

22498180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703 (or 11701 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 22498180 is about 4743.2246415282. The cubic root of 22498180 is about 282.3031965232.

The spelling of 22498180 in words is "twenty-two million, four hundred ninety-eight thousand, one hundred eighty".