22713990 has 64 divisors (see below), whose sum is σ = 59270400. Its totient is φ = 5537664.

The previous prime is 22713973. The next prime is 22714033. The reversal of 22713990 is 9931722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54001 + ... + 54419.

It is an arithmetic number, because the mean of its divisors is an integer number (926100).

Almost surely, 2^22713990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22713990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29635200).

22713990 is an abundant number, since it is smaller than the sum of its proper divisors (36556410).

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

22713990 is a wasteful number, since it uses less digits than its factorization.

22713990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 22713990 is about 4765.9196384329. The cubic root of 22713990 is about 283.2029742498.

The spelling of 22713990 in words is "twenty-two million, seven hundred thirteen thousand, nine hundred ninety".