1224 is nontrivially palindromic in base 14.
It is a tau number, because it is divible by the number of its divisors (24).
It is a nude number because it is divisible by every one of its digits.
1224 is an undulating number in base 14.
It is a plaindrome in base 7, base 10 and base 15.
It is a nialpdrome in base 6, base 12 and base 13.
It is a zygodrome in base 7.
It is a congruent number.
21224 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 1224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1224 is a wasteful number, since it uses less digits than its factorization.
1224 is an evil number, because the sum of its binary digits is even.
The square root of 1224 is about 34.9857113691. The cubic root of 1224 is about 10.6969624825.
Adding to 1224 its reverse (4221), we get a palindrome (5445).
The spelling of 1224 in words is "one thousand, two hundred twenty-four", and thus it is an iban number.