422455420 has 24 divisors (see below), whose sum is σ = 887625648. Its totient is φ = 168892800.

The previous prime is 422455417. The next prime is 422455433. The reversal of 422455420 is 24554224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43840 + ... + 52600.

It is an arithmetic number, because the mean of its divisors is an integer number (36984402).

Almost surely, 2^422455420 is an apocalyptic number.

It is an amenable number.

422455420 is an abundant number, since it is smaller than the sum of its proper divisors (465170228).

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

422455420 is a wasteful number, since it uses less digits than its factorization.

422455420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181 (or 11179 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 422455420 is about 20553.7203445021. The cubic root of 422455420 is about 750.3437949752.

The spelling of 422455420 in words is "four hundred twenty-two million, four hundred fifty-five thousand, four hundred twenty".