22512713 has 2 divisors, whose sum is σ = 22512714. Its totient is φ = 22512712.

The previous prime is 22512703. The next prime is 22512733. The reversal of 22512713 is 31721522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20866624 + 1646089 = 4568^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 22512713 - 2⁴ = 22512697 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22512703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11256356 + 11256357.

It is an arithmetic number, because the mean of its divisors is an integer number (11256357).

Almost surely, 2^22512713 is an apocalyptic number.

It is an amenable number.

22512713 is a deficient number, since it is larger than the sum of its proper divisors (1).

22512713 is an equidigital number, since it uses as much as digits as its factorization.

22512713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 22512713 is about 4744.7563688771. The cubic root of 22512713 is about 282.3639692801.

The spelling of 22512713 in words is "twenty-two million, five hundred twelve thousand, seven hundred thirteen".