22125042327917 has 2 divisors, whose sum is σ = 22125042327918. Its totient is φ = 22125042327916.

The previous prime is 22125042327901. The next prime is 22125042327931. The reversal of 22125042327917 is 71972324052122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12037215141961 + 10087827185956 = 3469469^2 + 3176134^2 .

It is a cyclic number.

It is not a de Polignac number, because 22125042327917 - 2⁴ = 22125042327901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22125042357917) 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, 11062521163958 + 11062521163959.

It is an arithmetic number, because the mean of its divisors is an integer number (11062521163959).

Almost surely, 2^{22125042327917} is an apocalyptic number.

It is an amenable number.

22125042327917 is a deficient number, since it is larger than the sum of its proper divisors (1).

22125042327917 is an equidigital number, since it uses as much as digits as its factorization.

22125042327917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 22125042327917 in words is "twenty-two trillion, one hundred twenty-five billion, forty-two million, three hundred twenty-seven thousand, nine hundred seventeen".