22563448631 has 2 divisors, whose sum is σ = 22563448632. Its totient is φ = 22563448630.

The previous prime is 22563448541. The next prime is 22563448643. The reversal of 22563448631 is 13684436522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22563448631 - 2¹⁰ = 22563447607 is a prime.

It is a super-2 number, since 2×22563448631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22563448931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11281724315 + 11281724316.

It is an arithmetic number, because the mean of its divisors is an integer number (11281724316).

Almost surely, 2^22563448631 is an apocalyptic number.

22563448631 is a deficient number, since it is larger than the sum of its proper divisors (1).

22563448631 is an equidigital number, since it uses as much as digits as its factorization.

22563448631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 44.

The spelling of 22563448631 in words is "twenty-two billion, five hundred sixty-three million, four hundred forty-eight thousand, six hundred thirty-one".