22162116886909 has 2 divisors, whose sum is σ = 22162116886910. Its totient is φ = 22162116886908.

The previous prime is 22162116886901. The next prime is 22162116886919. The reversal of 22162116886909 is 90968861126122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19190620104100 + 2971496782809 = 4380710^2 + 1723803^2 .

It is a cyclic number.

It is not a de Polignac number, because 22162116886909 - 2³ = 22162116886901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22162116886901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11081058443454 + 11081058443455.

It is an arithmetic number, because the mean of its divisors is an integer number (11081058443455).

Almost surely, 2^{22162116886909} is an apocalyptic number.

It is an amenable number.

22162116886909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22162116886909 is an equidigital number, since it uses as much as digits as its factorization.

22162116886909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8957952, while the sum is 61.

The spelling of 22162116886909 in words is "twenty-two trillion, one hundred sixty-two billion, one hundred sixteen million, eight hundred eighty-six thousand, nine hundred nine".