422575905 has 16 divisors (see below), whose sum is σ = 676396224. Its totient is φ = 225282240.

The previous prime is 422575897. The next prime is 422575913. The reversal of 422575905 is 509575224.

It is an interprime number because it is at equal distance from previous prime (422575897) and next prime (422575913).

It is not a de Polignac number, because 422575905 - 2³ = 422575897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49782 + ... + 57648.

It is an arithmetic number, because the mean of its divisors is an integer number (42274764).

Almost surely, 2^422575905 is an apocalyptic number.

It is an amenable number.

422575905 is a deficient number, since it is larger than the sum of its proper divisors (253820319).

422575905 is a wasteful number, since it uses less digits than its factorization.

422575905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11456.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 422575905 is about 20556.6511134474. The cubic root of 422575905 is about 750.4151213011.

The spelling of 422575905 in words is "four hundred twenty-two million, five hundred seventy-five thousand, nine hundred five".