22745032313 has 2 divisors, whose sum is σ = 22745032314. Its totient is φ = 22745032312.

The previous prime is 22745032301. The next prime is 22745032339. The reversal of 22745032313 is 31323054722.

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., 16413965689 + 6331066624 = 128117^2 + 79568^2 .

It is a cyclic number.

It is not a de Polignac number, because 22745032313 - 2⁶ = 22745032249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22745032313.

It is not a weakly prime, because it can be changed into another prime (22745032213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11372516156 + 11372516157.

It is an arithmetic number, because the mean of its divisors is an integer number (11372516157).

Almost surely, 2^22745032313 is an apocalyptic number.

It is an amenable number.

22745032313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22745032313 is an equidigital number, since it uses as much as digits as its factorization.

22745032313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 22745032313 in words is "twenty-two billion, seven hundred forty-five million, thirty-two thousand, three hundred thirteen".