422403604 has 12 divisors (see below), whose sum is σ = 844807264. Its totient is φ = 181030104.

The previous prime is 422403571. The next prime is 422403629. The reversal of 422403604 is 406304224.

422403604 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7542894 + ... + 7542949.

Almost surely, 2^422403604 is an apocalyptic number.

It is an amenable number.

422403604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

422403604 is a wasteful number, since it uses less digits than its factorization.

422403604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085854 (or 15085852 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 422403604 is about 20552.4598041208. The cubic root of 422403604 is about 750.3131160744.

Adding to 422403604 its reverse (406304224), we get a palindrome (828707828).

The spelling of 422403604 in words is "four hundred twenty-two million, four hundred three thousand, six hundred four".