422430 has 16 divisors (see below), whose sum is σ = 1013904. Its totient is φ = 112640.

The previous prime is 422407. The next prime is 422431. The reversal of 422430 is 34224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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 422430.

It is not an unprimeable number, because it can be changed into a prime (422431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7011 + ... + 7070.

It is an arithmetic number, because the mean of its divisors is an integer number (63369).

2⁴²²⁴³⁰ is an apocalyptic number.

422430 is an abundant number, since it is smaller than the sum of its proper divisors (591474).

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

422430 is a wasteful number, since it uses less digits than its factorization.

422430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14091.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 422430 is about 649.9461516157. The cubic root of 422430 is about 75.0328744770.

Adding to 422430 its reverse (34224), we get a palindrome (456654).

The spelling of 422430 in words is "four hundred twenty-two thousand, four hundred thirty".