22900836 has 144 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 5870592.

The previous prime is 22900831. The next prime is 22900859. The reversal of 22900836 is 63800922.

It is not an unprimeable number, because it can be changed into a prime (22900831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289845 + ... + 289923.

It is an arithmetic number, because the mean of its divisors is an integer number (478800).

Almost surely, 2^22900836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22900836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34473600).

22900836 is an abundant number, since it is smaller than the sum of its proper divisors (46046364).

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

22900836 is a wasteful number, since it uses less digits than its factorization.

22900836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22900836 is about 4785.4817939263. The cubic root of 22900836 is about 283.9774001721.

The spelling of 22900836 in words is "twenty-two million, nine hundred thousand, eight hundred thirty-six".