422344 has 32 divisors (see below), whose sum is σ = 887040. Its totient is φ = 187200.

The previous prime is 422339. The next prime is 422353. The reversal of 422344 is 443224.

It is a Smith number, since the sum of its digits (19) coincides with the sum of the digits of its prime factors.

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, 3159 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2⁴²²³⁴⁴ 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 422344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443520).

422344 is an abundant number, since it is smaller than the sum of its proper divisors (464696).

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

422344 is a wasteful number, since it uses less digits than its factorization.

422344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 177 counting only the distinct ones).

The product of its digits is 768, while the sum is 19.

The square root of 422344 is about 649.8799889210. The cubic root of 422344 is about 75.0277822999.

Adding to 422344 its reverse (443224), we get a palindrome (865568).

The spelling of 422344 in words is "four hundred twenty-two thousand, three hundred forty-four", and thus it is an iban number.