422970 has 32 divisors (see below), whose sum is σ = 1060992. Its totient is φ = 107712.

The previous prime is 422969. The next prime is 422987. The reversal of 422970 is 79224.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 422970.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422970.

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, 384 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (33156).

2⁴²²⁹⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530496).

422970 is an abundant number, since it is smaller than the sum of its proper divisors (638022).

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

422970 is a wasteful number, since it uses less digits than its factorization.

422970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 422970 is about 650.3614379712. The cubic root of 422970 is about 75.0648328288.

The spelling of 422970 in words is "four hundred twenty-two thousand, nine hundred seventy".