422488584 has 144 divisors (see below), whose sum is σ = 1374347520. Its totient is φ = 116786880.

The previous prime is 422488567. The next prime is 422488589. The reversal of 422488584 is 485884224.

422488584 is a `hidden beast` number, since 4 + 22 + 48 + 8 + 584 = 666.

It is a super-2 number, since 2×422488584² = 356993207220650112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422488589) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107437 + ... + 111299.

It is an arithmetic number, because the mean of its divisors is an integer number (9544080).

Almost surely, 2^422488584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422488584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687173760).

422488584 is an abundant number, since it is smaller than the sum of its proper divisors (951858936).

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

422488584 is a wasteful number, since it uses less digits than its factorization.

422488584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920 (or 3906 counting only the distinct ones).

The product of its digits is 655360, while the sum is 45.

The square root of 422488584 is about 20554.5270925896. The cubic root of 422488584 is about 750.3634291972.

The spelling of 422488584 in words is "four hundred twenty-two million, four hundred eighty-eight thousand, five hundred eighty-four".