22731696 has 60 divisors (see below), whose sum is σ = 68516448. Its totient is φ = 6993792.

The previous prime is 22731677. The next prime is 22731707. The reversal of 22731696 is 69613722.

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 22731696.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4200 + ... + 7943.

Almost surely, 2^22731696 is an apocalyptic number.

22731696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22731696 is an abundant number, since it is smaller than the sum of its proper divisors (45784752).

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

22731696 is a wasteful number, since it uses less digits than its factorization.

22731696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12170 (or 12161 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 22731696 is about 4767.7768404152. The cubic root of 22731696 is about 283.2765425585.

It can be divided in two parts, 2273 and 1696, that added together give a square (3969 = 63²).

The spelling of 22731696 in words is "twenty-two million, seven hundred thirty-one thousand, six hundred ninety-six".