22542626317 has 2 divisors, whose sum is σ = 22542626318. Its totient is φ = 22542626316.

The previous prime is 22542626287. The next prime is 22542626377. The reversal of 22542626317 is 71362624522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20511681961 + 2030944356 = 143219^2 + 45066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22542626317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22542626317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22542626377) 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, 11271313158 + 11271313159.

It is an arithmetic number, because the mean of its divisors is an integer number (11271313159).

Almost surely, 2^22542626317 is an apocalyptic number.

It is an amenable number.

22542626317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22542626317 is an equidigital number, since it uses as much as digits as its factorization.

22542626317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The spelling of 22542626317 in words is "twenty-two billion, five hundred forty-two million, six hundred twenty-six thousand, three hundred seventeen".