417422209 has 2 divisors, whose sum is σ = 417422210. Its totient is φ = 417422208.

The previous prime is 417422171. The next prime is 417422251. The reversal of 417422209 is 902224714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417303184 + 119025 = 20428^2 + 345^2 .

It is a cyclic number.

It is not a de Polignac number, because 417422209 - 2⁷ = 417422081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (417422309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208711104 + 208711105.

It is an arithmetic number, because the mean of its divisors is an integer number (208711105).

Almost surely, 2^417422209 is an apocalyptic number.

It is an amenable number.

417422209 is a deficient number, since it is larger than the sum of its proper divisors (1).

417422209 is an equidigital number, since it uses as much as digits as its factorization.

417422209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 417422209 is about 20430.9130730861. The cubic root of 417422209 is about 747.3519706276.

The spelling of 417422209 in words is "four hundred seventeen million, four hundred twenty-two thousand, two hundred nine".