422598330 has 128 divisors (see below), whose sum is σ = 1405071360. Its totient is φ = 87808320.

The previous prime is 422598317. The next prime is 422598331. The reversal of 422598330 is 33895224.

It is not an unprimeable number, because it can be changed into a prime (422598331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10627 + ... + 30953.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 2^422598330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422598330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702535680).

422598330 is an abundant number, since it is smaller than the sum of its proper divisors (982473030).

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

422598330 is a wasteful number, since it uses less digits than its factorization.

422598330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361 (or 20355 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 422598330 is about 20557.1965501135. The cubic root of 422598330 is about 750.4283952567.

The spelling of 422598330 in words is "four hundred twenty-two million, five hundred ninety-eight thousand, three hundred thirty".