22563185243 has 2 divisors, whose sum is σ = 22563185244. Its totient is φ = 22563185242.

The previous prime is 22563185209. The next prime is 22563185261. The reversal of 22563185243 is 34258136522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22563185243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22563185243.

It is not a weakly prime, because it can be changed into another prime (22563115243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11281592621 + 11281592622.

It is an arithmetic number, because the mean of its divisors is an integer number (11281592622).

Almost surely, 2^22563185243 is an apocalyptic number.

22563185243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22563185243 is an equidigital number, since it uses as much as digits as its factorization.

22563185243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The spelling of 22563185243 in words is "twenty-two billion, five hundred sixty-three million, one hundred eighty-five thousand, two hundred forty-three".