22531796 has 48 divisors (see below), whose sum is σ = 48639360. Its totient is φ = 8916480.

The previous prime is 22531781. The next prime is 22531801. The reversal of 22531796 is 69713522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21296 + ... + 22328.

It is an arithmetic number, because the mean of its divisors is an integer number (1013320).

Almost surely, 2^22531796 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 22531796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24319680).

22531796 is an abundant number, since it is smaller than the sum of its proper divisors (26107564).

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

22531796 is a wasteful number, since it uses less digits than its factorization.

22531796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1102 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 22531796 is about 4746.7668996908. The cubic root of 22531796 is about 282.4437291008.

The spelling of 22531796 in words is "twenty-two million, five hundred thirty-one thousand, seven hundred ninety-six".