422530809 has 8 divisors (see below), whose sum is σ = 563694432. Its totient is φ = 281527200.

The previous prime is 422530751. The next prime is 422530817. The reversal of 422530809 is 908035224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422530809 - 2⁸ = 422530553 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 422530809.

It is not an unprimeable number, because it can be changed into a prime (422530709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33699 + ... + 44504.

It is an arithmetic number, because the mean of its divisors is an integer number (70461804).

Almost surely, 2^422530809 is an apocalyptic number.

It is an amenable number.

422530809 is a deficient number, since it is larger than the sum of its proper divisors (141163623).

422530809 is a wasteful number, since it uses less digits than its factorization.

422530809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80007.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 422530809 is about 20555.5542129129. The cubic root of 422530809 is about 750.3884263541.

The spelling of 422530809 in words is "four hundred twenty-two million, five hundred thirty thousand, eight hundred nine".