422102117 has 2 divisors, whose sum is σ = 422102118. Its totient is φ = 422102116.

The previous prime is 422102111. The next prime is 422102143. The reversal of 422102117 is 711201224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416119201 + 5982916 = 20399^2 + 2446^2 .

It is a cyclic number.

It is not a de Polignac number, because 422102117 - 2¹² = 422098021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422102111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211051058 + 211051059.

It is an arithmetic number, because the mean of its divisors is an integer number (211051059).

Almost surely, 2^422102117 is an apocalyptic number.

It is an amenable number.

422102117 is a deficient number, since it is larger than the sum of its proper divisors (1).

422102117 is an equidigital number, since it uses as much as digits as its factorization.

422102117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 422102117 is about 20545.1239227219. The cubic root of 422102117 is about 750.1345637072.

The spelling of 422102117 in words is "four hundred twenty-two million, one hundred two thousand, one hundred seventeen".