22722713 has 8 divisors (see below), whose sum is σ = 24665088. Its totient is φ = 20808144.

The previous prime is 22722709. The next prime is 22722719. The reversal of 22722713 is 31722722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22722713 - 2² = 22722709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22722719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5231 + ... + 8532.

It is an arithmetic number, because the mean of its divisors is an integer number (3083136).

Almost surely, 2^22722713 is an apocalyptic number.

It is an amenable number.

22722713 is a deficient number, since it is larger than the sum of its proper divisors (1942375).

22722713 is a wasteful number, since it uses less digits than its factorization.

22722713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13903.

The product of its digits is 2352, while the sum is 26.

The square root of 22722713 is about 4766.8346940082. The cubic root of 22722713 is about 283.2392230312.

Subtracting 22722713 from its reverse (31722722), we obtain a palindrome (9000009).

The spelling of 22722713 in words is "twenty-two million, seven hundred twenty-two thousand, seven hundred thirteen".