22730713 has 4 divisors (see below), whose sum is σ = 22740388. Its totient is φ = 22721040.

The previous prime is 22730711. The next prime is 22730731. The reversal of 22730713 is 31703722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8690704 + 14040009 = 2948^2 + 3747^2 .

It is a cyclic number.

It is not a de Polignac number, because 22730713 - 2¹ = 22730711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22730711) 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, 1195 + ... + 6847.

It is an arithmetic number, because the mean of its divisors is an integer number (5685097).

Almost surely, 2^22730713 is an apocalyptic number.

It is an amenable number.

22730713 is a deficient number, since it is larger than the sum of its proper divisors (9675).

22730713 is an equidigital number, since it uses as much as digits as its factorization.

22730713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 22730713 is about 4767.6737514222. The cubic root of 22730713 is about 283.2724592020.

The spelling of 22730713 in words is "twenty-two million, seven hundred thirty thousand, seven hundred thirteen".