22788713 has 2 divisors, whose sum is σ = 22788714. Its totient is φ = 22788712.

The previous prime is 22788709. The next prime is 22788737. The reversal of 22788713 is 31788722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16096144 + 6692569 = 4012^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 22788713 - 2² = 22788709 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22788013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11394356 + 11394357.

It is an arithmetic number, because the mean of its divisors is an integer number (11394357).

Almost surely, 2^22788713 is an apocalyptic number.

It is an amenable number.

22788713 is a deficient number, since it is larger than the sum of its proper divisors (1).

22788713 is an equidigital number, since it uses as much as digits as its factorization.

22788713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 38.

The square root of 22788713 is about 4773.7525072002. The cubic root of 22788713 is about 283.5131885365.

Subtracting 22788713 from its reverse (31788722), we obtain a palindrome (9000009).

The spelling of 22788713 in words is "twenty-two million, seven hundred eighty-eight thousand, seven hundred thirteen".