22168884137 has 2 divisors, whose sum is σ = 22168884138. Its totient is φ = 22168884136.

The previous prime is 22168884107. The next prime is 22168884151. The reversal of 22168884137 is 73148886122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22028793241 + 140090896 = 148421^2 + 11836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22168884137 is a prime.

It is not a weakly prime, because it can be changed into another prime (22168884107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11084442068 + 11084442069.

It is an arithmetic number, because the mean of its divisors is an integer number (11084442069).

Almost surely, 2^22168884137 is an apocalyptic number.

It is an amenable number.

22168884137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22168884137 is an equidigital number, since it uses as much as digits as its factorization.

22168884137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 50.

The spelling of 22168884137 in words is "twenty-two billion, one hundred sixty-eight million, eight hundred eighty-four thousand, one hundred thirty-seven".