422403422 has 24 divisors (see below), whose sum is σ = 737782920. Its totient is φ = 180850320.

The previous prime is 422403413. The next prime is 422403493. The reversal of 422403422 is 224304224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157529 + ... + 160187.

It is an arithmetic number, because the mean of its divisors is an integer number (30740955).

Almost surely, 2^422403422 is an apocalyptic number.

422403422 is a deficient number, since it is larger than the sum of its proper divisors (315379498).

422403422 is a wasteful number, since it uses less digits than its factorization.

422403422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4296 (or 4289 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 422403422 is about 20552.4553764264. The cubic root of 422403422 is about 750.3130083125.

Adding to 422403422 its reverse (224304224), we get a palindrome (646707646).

The spelling of 422403422 in words is "four hundred twenty-two million, four hundred three thousand, four hundred twenty-two".