22726713 has 4 divisors (see below), whose sum is σ = 30302288. Its totient is φ = 15151140.

The previous prime is 22726667. The next prime is 22726721. The reversal of 22726713 is 31762722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22726713 - 2¹⁴ = 22710329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22726763) 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, 3787783 + ... + 3787788.

It is an arithmetic number, because the mean of its divisors is an integer number (7575572).

Almost surely, 2^22726713 is an apocalyptic number.

It is an amenable number.

22726713 is a deficient number, since it is larger than the sum of its proper divisors (7575575).

22726713 is an equidigital number, since it uses as much as digits as its factorization.

22726713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7575574.

The product of its digits is 7056, while the sum is 30.

The square root of 22726713 is about 4767.2542411749. The cubic root of 22726713 is about 283.2558420915.

The spelling of 22726713 in words is "twenty-two million, seven hundred twenty-six thousand, seven hundred thirteen".