22551713 has 2 divisors, whose sum is σ = 22551714. Its totient is φ = 22551712.

The previous prime is 22551709. The next prime is 22551719. The reversal of 22551713 is 31715522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18258529 + 4293184 = 4273^2 + 2072^2 .

It is a cyclic number.

It is not a de Polignac number, because 22551713 - 2² = 22551709 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_1421729 and since 22551713 and 1421729 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 (22551719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275856 + 11275857.

It is an arithmetic number, because the mean of its divisors is an integer number (11275857).

Almost surely, 2^22551713 is an apocalyptic number.

It is an amenable number.

22551713 is a deficient number, since it is larger than the sum of its proper divisors (1).

22551713 is an equidigital number, since it uses as much as digits as its factorization.

22551713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 26.

The square root of 22551713 is about 4748.8643905675. The cubic root of 22551713 is about 282.5269267152.

The spelling of 22551713 in words is "twenty-two million, five hundred fifty-one thousand, seven hundred thirteen".