422340 has 24 divisors (see below), whose sum is σ = 1182720. Its totient is φ = 112608.

The previous prime is 422339. The next prime is 422353. The reversal of 422340 is 43224.

It is a happy number.

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

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3460 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (49280).

2⁴²²³⁴⁰ is an apocalyptic number.

It is an amenable number.

422340 is an abundant number, since it is smaller than the sum of its proper divisors (760380).

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

422340 is a wasteful number, since it uses less digits than its factorization.

422340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051 (or 7049 counting only the distinct ones).

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

The square root of 422340 is about 649.8769114225. The cubic root of 422340 is about 75.0275454376.

Adding to 422340 its reverse (43224), we get a palindrome (465564).

The spelling of 422340 in words is "four hundred twenty-two thousand, three hundred forty", and thus it is an iban number.