422618913 has 12 divisors (see below), whose sum is σ = 611298688. Its totient is φ = 281354040.

The previous prime is 422618879. The next prime is 422618941. The reversal of 422618913 is 319816224.

422618913 is a `hidden beast` number, since 4 + 22 + 618 + 9 + 13 = 666.

It is not a de Polignac number, because 422618913 - 2⁶ = 422618849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422617913) 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, 25753 + ... + 38838.

Almost surely, 2^422618913 is an apocalyptic number.

It is an amenable number.

422618913 is a deficient number, since it is larger than the sum of its proper divisors (188679775).

422618913 is a wasteful number, since it uses less digits than its factorization.

422618913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65324 (or 65321 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 422618913 is about 20557.6971716192. The cubic root of 422618913 is about 750.4405784701.

The spelling of 422618913 in words is "four hundred twenty-two million, six hundred eighteen thousand, nine hundred thirteen".