422394504 has 96 divisors (see below), whose sum is σ = 1257109920. Its totient is φ = 117863424.

The previous prime is 422394503. The next prime is 422394509. The reversal of 422394504 is 405493224.

422394504 = 2912² + 2913² + ... + 2960².

It is not an unprimeable number, because it can be changed into a prime (422394503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46392 + ... + 54744.

It is an arithmetic number, because the mean of its divisors is an integer number (13094895).

Almost surely, 2^422394504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422394504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628554960).

422394504 is an abundant number, since it is smaller than the sum of its proper divisors (834715416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422394504 is a wasteful number, since it uses less digits than its factorization.

422394504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419 (or 8408 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 422394504 is about 20552.2384182356. The cubic root of 422394504 is about 750.3077279430.

The spelling of 422394504 in words is "four hundred twenty-two million, three hundred ninety-four thousand, five hundred four".