22913663 has 2 divisors, whose sum is σ = 22913664. Its totient is φ = 22913662.

The previous prime is 22913651. The next prime is 22913669. The reversal of 22913663 is 36631922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22913663 - 2⁶ = 22913599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22913669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11456831 + 11456832.

It is an arithmetic number, because the mean of its divisors is an integer number (11456832).

Almost surely, 2^22913663 is an apocalyptic number.

22913663 is a deficient number, since it is larger than the sum of its proper divisors (1).

22913663 is an equidigital number, since it uses as much as digits as its factorization.

22913663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 22913663 is about 4786.8218057496. The cubic root of 22913663 is about 284.0304098562.

The spelling of 22913663 in words is "twenty-two million, nine hundred thirteen thousand, six hundred sixty-three".