22713856 has 80 divisors (see below), whose sum is σ = 51313680. Its totient is φ = 9953280.

The previous prime is 22713841. The next prime is 22713883. The reversal of 22713856 is 65831722.

It is a happy number.

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, 208330 + ... + 208438.

It is an arithmetic number, because the mean of its divisors is an integer number (641421).

Almost surely, 2^22713856 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 22713856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25656840).

22713856 is an abundant number, since it is smaller than the sum of its proper divisors (28599824).

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

22713856 is a wasteful number, since it uses less digits than its factorization.

22713856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 159 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 22713856 is about 4765.9055802649. The cubic root of 22713856 is about 283.2024173350.

The spelling of 22713856 in words is "twenty-two million, seven hundred thirteen thousand, eight hundred fifty-six".