22498236 has 30 divisors (see below), whose sum is σ = 58815680. Its totient is φ = 7499304.

The previous prime is 22498213. The next prime is 22498243. The reversal of 22498236 is 63289422.

It is a super-2 number, since 2×22498236² = 1012341246223392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22498236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34396 + ... + 35043.

Almost surely, 2^22498236 is an apocalyptic number.

It is an amenable number.

22498236 is an abundant number, since it is smaller than the sum of its proper divisors (36317444).

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

22498236 is a wasteful number, since it uses less digits than its factorization.

22498236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69455 (or 69444 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22498236 is about 4743.2305446815. The cubic root of 22498236 is about 282.3034307490.

The spelling of 22498236 in words is "twenty-two million, four hundred ninety-eight thousand, two hundred thirty-six".