Adding to 22144 its reverse (44122), we get a palindrome (66266).
It is a tau number, because it is divible by the number of its divisors (16).
It is a plaindrome in base 9.
It is a nialpdrome in base 8.
It is a zygodrome in base 4.
22144 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
222144 is an apocalyptic number.
22144 is the 122-nd centered triangular number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22185).
22144 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22144 is an equidigital number, since it uses as much as digits as its factorization.
22144 is an odious number, because the sum of its binary digits is odd.
The square root of 22144 is about 148.8086019019. The cubic root of 22144 is about 28.0813958067.
The spelling of 22144 in words is "twenty-two thousand, one hundred forty-four", and thus it is an iban number.