22168886137 has 2 divisors, whose sum is σ = 22168886138. Its totient is φ = 22168886136.

The previous prime is 22168886111. The next prime is 22168886141. The reversal of 22168886137 is 73168886122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16790717241 + 5378168896 = 129579^2 + 73336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22168886137 is a prime.

It is not a weakly prime, because it can be changed into another prime (22168884137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11084443068 + 11084443069.

It is an arithmetic number, because the mean of its divisors is an integer number (11084443069).

Almost surely, 2^22168886137 is an apocalyptic number.

It is an amenable number.

22168886137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22168886137 is an equidigital number, since it uses as much as digits as its factorization.

22168886137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 52.

The spelling of 22168886137 in words is "twenty-two billion, one hundred sixty-eight million, eight hundred eighty-six thousand, one hundred thirty-seven".