422424 has 24 divisors (see below), whose sum is σ = 1144260. Its totient is φ = 140784.

The previous prime is 422407. The next prime is 422431. The reversal of 422424 is 424224.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 422397 and 422406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2862 + ... + 3005.

2⁴²²⁴²⁴ is an apocalyptic number.

It is an amenable number.

422424 is an abundant number, since it is smaller than the sum of its proper divisors (721836).

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

422424 is a wasteful number, since it uses less digits than its factorization.

422424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879 (or 5872 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 422424 is about 649.9415358323. The cubic root of 422424 is about 75.0325192313.

Adding to 422424 its reverse (424224), we get a palindrome (846648).

The spelling of 422424 in words is "four hundred twenty-two thousand, four hundred twenty-four", and thus it is an iban number.