22490265563 has 2 divisors, whose sum is σ = 22490265564. Its totient is φ = 22490265562.

The previous prime is 22490265503. The next prime is 22490265613. The reversal of 22490265563 is 36556209422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22490265563 - 2⁸ = 22490265307 is a prime.

It is not a weakly prime, because it can be changed into another prime (22490265503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11245132781 + 11245132782.

It is an arithmetic number, because the mean of its divisors is an integer number (11245132782).

Almost surely, 2^22490265563 is an apocalyptic number.

22490265563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22490265563 is an equidigital number, since it uses as much as digits as its factorization.

22490265563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 22490265563 in words is "twenty-two billion, four hundred ninety million, two hundred sixty-five thousand, five hundred sixty-three".