22563938533 has 2 divisors, whose sum is σ = 22563938534. Its totient is φ = 22563938532.

The previous prime is 22563938513. The next prime is 22563938539. The reversal of 22563938533 is 33583936522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18851839204 + 3712099329 = 137302^2 + 60927^2 .

It is a cyclic number.

It is not a de Polignac number, because 22563938533 - 2²⁵ = 22530384101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22563938539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11281969266 + 11281969267.

It is an arithmetic number, because the mean of its divisors is an integer number (11281969267).

Almost surely, 2^22563938533 is an apocalyptic number.

It is an amenable number.

22563938533 is a deficient number, since it is larger than the sum of its proper divisors (1).

22563938533 is an equidigital number, since it uses as much as digits as its factorization.

22563938533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 49.

The spelling of 22563938533 in words is "twenty-two billion, five hundred sixty-three million, nine hundred thirty-eight thousand, five hundred thirty-three".