22530431507 has 2 divisors, whose sum is σ = 22530431508. Its totient is φ = 22530431506.

The previous prime is 22530431467. The next prime is 22530431543. The reversal of 22530431507 is 70513403522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22530431507 is a prime.

It is not a weakly prime, because it can be changed into another prime (22530431587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265215753 + 11265215754.

It is an arithmetic number, because the mean of its divisors is an integer number (11265215754).

Almost surely, 2^22530431507 is an apocalyptic number.

22530431507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22530431507 is an equidigital number, since it uses as much as digits as its factorization.

22530431507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 22530431507 in words is "twenty-two billion, five hundred thirty million, four hundred thirty-one thousand, five hundred seven".