22713536 has 28 divisors (see below), whose sum is σ = 45753528. Its totient is φ = 11185152.

The previous prime is 22713499. The next prime is 22713541. The reversal of 22713536 is 63531722.

It is a junction number, because it is equal to n+sod(n) for n = 22713499 and 22713508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 6936.

Almost surely, 2^22713536 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 22713536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22876764).

22713536 is an abundant number, since it is smaller than the sum of its proper divisors (23039992).

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

22713536 is an equidigital number, since it uses as much as digits as its factorization.

22713536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376 (or 5366 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 22713536 is about 4765.8720083527. The cubic root of 22713536 is about 283.2010873803.

The spelling of 22713536 in words is "twenty-two million, seven hundred thirteen thousand, five hundred thirty-six".