422664424 has 64 divisors (see below), whose sum is σ = 1026748800. Its totient is φ = 158402304.

The previous prime is 422664397. The next prime is 422664433. The reversal of 422664424 is 424466224.

It is a self number, because there is not a number n which added to its sum of digits gives 422664424.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1447 + ... + 29110.

It is an arithmetic number, because the mean of its divisors is an integer number (16042950).

Almost surely, 2^422664424 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 422664424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513374400).

422664424 is an abundant number, since it is smaller than the sum of its proper divisors (604084376).

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

422664424 is a wasteful number, since it uses less digits than its factorization.

422664424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30602 (or 30598 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

The square root of 422664424 is about 20558.8040508197. The cubic root of 422664424 is about 750.4675153268.

The spelling of 422664424 in words is "four hundred twenty-two million, six hundred sixty-four thousand, four hundred twenty-four".