22904663 has 2 divisors, whose sum is σ = 22904664. Its totient is φ = 22904662.

The previous prime is 22904657. The next prime is 22904731. The reversal of 22904663 is 36640922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22904663 - 2¹⁶ = 22839127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22904603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11452331 + 11452332.

It is an arithmetic number, because the mean of its divisors is an integer number (11452332).

Almost surely, 2^22904663 is an apocalyptic number.

22904663 is a deficient number, since it is larger than the sum of its proper divisors (1).

22904663 is an equidigital number, since it uses as much as digits as its factorization.

22904663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 22904663 is about 4785.8816324686. The cubic root of 22904663 is about 283.9932179495.

The spelling of 22904663 in words is "twenty-two million, nine hundred four thousand, six hundred sixty-three".