422501604 has 48 divisors (see below), whose sum is σ = 1163022336. Its totient is φ = 116820000.

The previous prime is 422501587. The next prime is 422501621. The reversal of 422501604 is 406105224.

It is an interprime number because it is at equal distance from previous prime (422501587) and next prime (422501621).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78522 + ... + 83729.

It is an arithmetic number, because the mean of its divisors is an integer number (24229632).

Almost surely, 2^422501604 is an apocalyptic number.

It is an amenable number.

422501604 is an abundant number, since it is smaller than the sum of its proper divisors (740520732).

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

422501604 is a wasteful number, since it uses less digits than its factorization.

422501604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162296 (or 162294 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 422501604 is about 20554.8438086987. The cubic root of 422501604 is about 750.3711372015.

Adding to 422501604 its reverse (406105224), we get a palindrome (828606828).

The spelling of 422501604 in words is "four hundred twenty-two million, five hundred one thousand, six hundred four".