422401032 has 48 divisors (see below), whose sum is σ = 1168352640. Its totient is φ = 137803488.

The previous prime is 422401019. The next prime is 422401073. The reversal of 422401032 is 230104224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 422400996 and 422401014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59028 + ... + 65795.

It is an arithmetic number, because the mean of its divisors is an integer number (24340680).

Almost surely, 2^422401032 is an apocalyptic number.

It is an amenable number.

422401032 is an abundant number, since it is smaller than the sum of its proper divisors (745951608).

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

422401032 is a wasteful number, since it uses less digits than its factorization.

422401032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124882 (or 124875 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 422401032 is about 20552.3972324398. The cubic root of 422401032 is about 750.3115931950.

Adding to 422401032 its reverse (230104224), we get a palindrome (652505256).

The spelling of 422401032 in words is "four hundred twenty-two million, four hundred one thousand, thirty-two".