It is a tau number, because it is divible by the number of its divisors (84).
It is a congruent number.
It is an unprimeable number.
21204224 is an apocalyptic number.
1204224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1204224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1204224 is an frugal number, since it uses more digits than its factorization.
1204224 is an evil number, because the sum of its binary digits is even.
The square root of 1204224 is about 1097.3714047669. The cubic root of 1204224 is about 106.3903961784.
Adding to 1204224 its reverse (4224021), we get a palindrome (5428245).
The spelling of 1204224 in words is "one million, two hundred four thousand, two hundred twenty-four".