422815476 has 48 divisors (see below), whose sum is σ = 1037937600. Its totient is φ = 133765632.

The previous prime is 422815453. The next prime is 422815487. The reversal of 422815476 is 674518224.

It is a congruent number.

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, 10236 + ... + 30828.

It is an arithmetic number, because the mean of its divisors is an integer number (21623700).

Almost surely, 2^422815476 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 422815476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518968800).

422815476 is an abundant number, since it is smaller than the sum of its proper divisors (615122124).

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

422815476 is a wasteful number, since it uses less digits than its factorization.

422815476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20688 (or 20686 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 422815476 is about 20562.4773799268. The cubic root of 422815476 is about 750.5569054838.

The spelling of 422815476 in words is "four hundred twenty-two million, eight hundred fifteen thousand, four hundred seventy-six".