422143659 has 12 divisors (see below), whose sum is σ = 696872176. Its totient is φ = 241224912.

The previous prime is 422143651. The next prime is 422143663. The reversal of 422143659 is 956341224.

It is a happy number.

It is not a de Polignac number, because 422143659 - 2³ = 422143651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422143651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3350284 + ... + 3350409.

Almost surely, 2^422143659 is an apocalyptic number.

422143659 is a deficient number, since it is larger than the sum of its proper divisors (274728517).

422143659 is a wasteful number, since it uses less digits than its factorization.

422143659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700706 (or 6700703 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 422143659 is about 20546.1348919937. The cubic root of 422143659 is about 750.1591715502.

The spelling of 422143659 in words is "four hundred twenty-two million, one hundred forty-three thousand, six hundred fifty-nine".