22538196 has 24 divisors (see below), whose sum is σ = 58432640. Its totient is φ = 7512696.

The previous prime is 22538119. The next prime is 22538203. The reversal of 22538196 is 69183522.

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 22538196.

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, 104236 + ... + 104451.

Almost surely, 2^22538196 is an apocalyptic number.

It is an amenable number.

22538196 is an abundant number, since it is smaller than the sum of its proper divisors (35894444).

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

22538196 is a wasteful number, since it uses less digits than its factorization.

22538196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208700 (or 208692 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 22538196 is about 4747.4409948940. The cubic root of 22538196 is about 282.4704686284.

The spelling of 22538196 in words is "twenty-two million, five hundred thirty-eight thousand, one hundred ninety-six".