422224 has 20 divisors (see below), whose sum is σ = 892800.
Its totient is φ = 191840.
The previous prime is 422209. The next prime is 422231.
It can be divided in two parts, 422 and 224, that added together give a palindrome (646).
422224 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (16).
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 = 422198 and 422207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024 + ... + 1375.
It is an arithmetic number, because the mean of its divisors is an integer number (44640).
2422224 is an apocalyptic number.
422224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
It is an amenable number.
422224 is an abundant number, since it is smaller than the sum of its proper divisors (470576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
422224 is a wasteful number, since it uses less digits than its factorization.
422224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2418 (or 2412 counting only the distinct ones).
The product of its digits is 256, while the sum is 16.
The square root of 422224 is about 649.7876576236.
The cubic root of 422224 is about 75.0206757811.
The spelling of 422224 in words is "four hundred twenty-two thousand, two hundred twenty-four", and thus it is an iban number.