22550426831 has 2 divisors, whose sum is σ = 22550426832. Its totient is φ = 22550426830.

The previous prime is 22550426737. The next prime is 22550426863. The reversal of 22550426831 is 13862405522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22550426831 is a prime.

It is a super-2 number, since 2×22550426831² (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 (22550326831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275213415 + 11275213416.

It is an arithmetic number, because the mean of its divisors is an integer number (11275213416).

Almost surely, 2^22550426831 is an apocalyptic number.

22550426831 is a deficient number, since it is larger than the sum of its proper divisors (1).

22550426831 is an equidigital number, since it uses as much as digits as its factorization.

22550426831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 22550426831 in words is "twenty-two billion, five hundred fifty million, four hundred twenty-six thousand, eight hundred thirty-one".