422642604 has 24 divisors (see below), whose sum is σ = 988588720. Its totient is φ = 140534784.

The previous prime is 422642543. The next prime is 422642609. The reversal of 422642604 is 406246224.

It is not an unprimeable number, because it can be changed into a prime (422642609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38149 + ... + 47964.

Almost surely, 2^422642604 is an apocalyptic number.

It is an amenable number.

422642604 is an abundant number, since it is smaller than the sum of its proper divisors (565946116).

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

422642604 is a wasteful number, since it uses less digits than its factorization.

422642604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86529 (or 86527 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 422642604 is about 20558.2733710786. The cubic root of 422642604 is about 750.4546008395.

Adding to 422642604 its reverse (406246224), we get a palindrome (828888828).

The spelling of 422642604 in words is "four hundred twenty-two million, six hundred forty-two thousand, six hundred four".