22307713 has 2 divisors, whose sum is σ = 22307714. Its totient is φ = 22307712.

The previous prime is 22307711. The next prime is 22307737. The reversal of 22307713 is 31770322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17740944 + 4566769 = 4212^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 22307713 - 2¹ = 22307711 is a prime.

It is a super-3 number, since 3×22307713³ (a number of 23 digits) contains 333 as substring.

Together with 22307711, it forms a pair of twin primes.

It is equal to p_1407337 and since 22307713 and 1407337 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22307711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11153856 + 11153857.

It is an arithmetic number, because the mean of its divisors is an integer number (11153857).

Almost surely, 2^22307713 is an apocalyptic number.

It is an amenable number.

22307713 is a deficient number, since it is larger than the sum of its proper divisors (1).

22307713 is an equidigital number, since it uses as much as digits as its factorization.

22307713 is an evil number, because the sum of its binary digits is even.

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

The square root of 22307713 is about 4723.1041699289. The cubic root of 22307713 is about 281.5042889976.

The spelling of 22307713 in words is "twenty-two million, three hundred seven thousand, seven hundred thirteen".