423422 has 4 divisors (see below), whose sum is σ = 635136. Its totient is φ = 211710.

The previous prime is 423413. The next prime is 423427. The reversal of 423422 is 224324.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 423422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423427) by changing a digit.

423422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105854 + ... + 105857.

It is an arithmetic number, because the mean of its divisors is an integer number (158784).

2⁴²³⁴²² is an apocalyptic number.

423422 is a deficient number, since it is larger than the sum of its proper divisors (211714).

423422 is a wasteful number, since it uses less digits than its factorization.

423422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211713.

The product of its digits is 384, while the sum is 17.

The square root of 423422 is about 650.7088442614. The cubic root of 423422 is about 75.0915622467.

Adding to 423422 its reverse (224324), we get a palindrome (647746).

The spelling of 423422 in words is "four hundred twenty-three thousand, four hundred twenty-two", and thus it is an iban number.