422432512 has 72 divisors (see below), whose sum is σ = 872559072. Its totient is φ = 203980800.

The previous prime is 422432501. The next prime is 422432539. The reversal of 422432512 is 215234224.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1752712 + ... + 1752952.

It is an arithmetic number, because the mean of its divisors is an integer number (12118876).

Almost surely, 2^422432512 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 422432512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436279536).

422432512 is an abundant number, since it is smaller than the sum of its proper divisors (450126560).

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

422432512 is a wasteful number, since it uses less digits than its factorization.

422432512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 451 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 422432512 is about 20553.1630655722. The cubic root of 422432512 is about 750.3302320559.

Adding to 422432512 its reverse (215234224), we get a palindrome (637666736).

The spelling of 422432512 in words is "four hundred twenty-two million, four hundred thirty-two thousand, five hundred twelve".