Adding to 222224 its reverse (422222), we get a palindrome (644446).
It is a nude number because it is divisible by every one of its digits.
It is a d-powerful number, because it can be written as 210 + 213 + 214 + 216 + 217 + 42 .
It is a plaindrome in base 10.
It is an unprimeable number.
222224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2222224 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 222224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
222224 is a wasteful number, since it uses less digits than its factorization.
222224 is an evil number, because the sum of its binary digits is even.
The square root of 222224 is about 471.4064064053. The cubic root of 222224 is about 60.5708479491.
The spelling of 222224 in words is "two hundred twenty-two thousand, two hundred twenty-four", and thus it is an iban number.