422330328 has 256 divisors, whose sum is σ = 1440384000. Its totient is φ = 111974400.

The previous prime is 422330317. The next prime is 422330339. The reversal of 422330328 is 823033224.

422330328 is a `hidden beast` number, since 4 + 2 + 2 + 330 + 328 = 666.

It is an interprime number because it is at equal distance from previous prime (422330317) and next prime (422330339).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1752288 + ... + 1752528.

It is an arithmetic number, because the mean of its divisors is an integer number (5626500).

Almost surely, 2^422330328 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 422330328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720192000).

422330328 is an abundant number, since it is smaller than the sum of its proper divisors (1018053672).

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

422330328 is a wasteful number, since it uses less digits than its factorization.

422330328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 422330328 is about 20550.6770691381. The cubic root of 422330328 is about 750.2697269848.

The spelling of 422330328 in words is "four hundred twenty-two million, three hundred thirty thousand, three hundred twenty-eight".