422603909 has 32 divisors (see below), whose sum is σ = 571361280. Its totient is φ = 302968512.

The previous prime is 422603887. The next prime is 422603911. The reversal of 422603909 is 909306224.

It is not a de Polignac number, because 422603909 - 2²⁰ = 421555333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422603939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34454 + ... + 45080.

It is an arithmetic number, because the mean of its divisors is an integer number (17855040).

Almost surely, 2^422603909 is an apocalyptic number.

It is an amenable number.

422603909 is a deficient number, since it is larger than the sum of its proper divisors (148757371).

422603909 is a wasteful number, since it uses less digits than its factorization.

422603909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 422603909 is about 20557.3322442383. The cubic root of 422603909 is about 750.4316975427.

The spelling of 422603909 in words is "four hundred twenty-two million, six hundred three thousand, nine hundred nine".