22557422507 has 2 divisors, whose sum is σ = 22557422508. Its totient is φ = 22557422506.

The previous prime is 22557422491. The next prime is 22557422539. The reversal of 22557422507 is 70522475522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22557422507 - 2⁴ = 22557422491 is a prime.

It is not a weakly prime, because it can be changed into another prime (22557472507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278711253 + 11278711254.

It is an arithmetic number, because the mean of its divisors is an integer number (11278711254).

Almost surely, 2^22557422507 is an apocalyptic number.

22557422507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22557422507 is an equidigital number, since it uses as much as digits as its factorization.

22557422507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392000, while the sum is 41.

The spelling of 22557422507 in words is "twenty-two billion, five hundred fifty-seven million, four hundred twenty-two thousand, five hundred seven".