422481217 has 2 divisors, whose sum is σ = 422481218. Its totient is φ = 422481216.

The previous prime is 422481211. The next prime is 422481223. The reversal of 422481217 is 712184224.

It is a balanced prime because it is at equal distance from previous prime (422481211) and next prime (422481223).

It can be written as a sum of positive squares in only one way, i.e., 255968001 + 166513216 = 15999^2 + 12904^2 .

It is a cyclic number.

It is not a de Polignac number, because 422481217 - 2³ = 422481209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422481211) 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, 211240608 + 211240609.

It is an arithmetic number, because the mean of its divisors is an integer number (211240609).

Almost surely, 2^422481217 is an apocalyptic number.

It is an amenable number.

422481217 is a deficient number, since it is larger than the sum of its proper divisors (1).

422481217 is an equidigital number, since it uses as much as digits as its factorization.

422481217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 31.

The square root of 422481217 is about 20554.3478855448. The cubic root of 422481217 is about 750.3590677701.

The spelling of 422481217 in words is "four hundred twenty-two million, four hundred eighty-one thousand, two hundred seventeen".