422122109 has 2 divisors, whose sum is σ = 422122110. Its totient is φ = 422122108.

The previous prime is 422122093. The next prime is 422122117. The reversal of 422122109 is 901221224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358042084 + 64080025 = 18922^2 + 8005^2 .

It is a cyclic number.

It is not a de Polignac number, because 422122109 - 2⁴ = 422122093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422121109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211061054 + 211061055.

It is an arithmetic number, because the mean of its divisors is an integer number (211061055).

Almost surely, 2^422122109 is an apocalyptic number.

It is an amenable number.

422122109 is a deficient number, since it is larger than the sum of its proper divisors (1).

422122109 is an equidigital number, since it uses as much as digits as its factorization.

422122109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 422122109 is about 20545.6104557640. The cubic root of 422122109 is about 750.1464063813.

The spelling of 422122109 in words is "four hundred twenty-two million, one hundred twenty-two thousand, one hundred nine".