22513679 has 2 divisors, whose sum is σ = 22513680. Its totient is φ = 22513678.

The previous prime is 22513669. The next prime is 22513693. The reversal of 22513679 is 97631522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22513679 - 2⁴ = 22513663 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22513609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11256839 + 11256840.

It is an arithmetic number, because the mean of its divisors is an integer number (11256840).

Almost surely, 2^22513679 is an apocalyptic number.

22513679 is a deficient number, since it is larger than the sum of its proper divisors (1).

22513679 is an equidigital number, since it uses as much as digits as its factorization.

22513679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 22513679 is about 4744.8581643712. The cubic root of 22513679 is about 282.3680078825.

The spelling of 22513679 in words is "twenty-two million, five hundred thirteen thousand, six hundred seventy-nine".