22481713 has 4 divisors (see below), whose sum is σ = 22538740. Its totient is φ = 22424688.

The previous prime is 22481687. The next prime is 22481743. The reversal of 22481713 is 31718422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 10419984 = 3473^2 + 3228^2 .

It is a cyclic number.

It is not a de Polignac number, because 22481713 - 2²¹ = 20384561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22481743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27918 + ... + 28711.

It is an arithmetic number, because the mean of its divisors is an integer number (5634685).

Almost surely, 2^22481713 is an apocalyptic number.

It is an amenable number.

22481713 is a deficient number, since it is larger than the sum of its proper divisors (57027).

22481713 is an equidigital number, since it uses as much as digits as its factorization.

22481713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57026.

The product of its digits is 2688, while the sum is 28.

The square root of 22481713 is about 4741.4884793702. The cubic root of 22481713 is about 282.2343047082.

The spelling of 22481713 in words is "twenty-two million, four hundred eighty-one thousand, seven hundred thirteen".