22712891507 has 2 divisors, whose sum is σ = 22712891508. Its totient is φ = 22712891506.

The previous prime is 22712891477. The next prime is 22712891533. The reversal of 22712891507 is 70519821722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22712891507 - 2¹² = 22712887411 is a prime.

It is not a weakly prime, because it can be changed into another prime (22712891567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11356445753 + 11356445754.

It is an arithmetic number, because the mean of its divisors is an integer number (11356445754).

Almost surely, 2^22712891507 is an apocalyptic number.

22712891507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22712891507 is an equidigital number, since it uses as much as digits as its factorization.

22712891507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 22712891507 in words is "twenty-two billion, seven hundred twelve million, eight hundred ninety-one thousand, five hundred seven".