22542626287 has 2 divisors, whose sum is σ = 22542626288. Its totient is φ = 22542626286.

The previous prime is 22542626279. The next prime is 22542626317. The reversal of 22542626287 is 78262624522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22542626287 - 2³ = 22542626279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22542626257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11271313143 + 11271313144.

It is an arithmetic number, because the mean of its divisors is an integer number (11271313144).

Almost surely, 2^22542626287 is an apocalyptic number.

22542626287 is a deficient number, since it is larger than the sum of its proper divisors (1).

22542626287 is an equidigital number, since it uses as much as digits as its factorization.

22542626287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 46.

The spelling of 22542626287 in words is "twenty-two billion, five hundred forty-two million, six hundred twenty-six thousand, two hundred eighty-seven".