Adding to 33216 its reverse (61233), we get a palindrome (94449).
33216 is nontrivially palindromic in base 7.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
33216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
233216 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 33216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33216 is a wasteful number, since it uses less digits than its factorization.
33216 is an evil number, because the sum of its binary digits is even.
The square root of 33216 is about 182.2525719983. The cubic root of 33216 is about 32.1451737307.
The spelling of 33216 in words is "thirty-three thousand, two hundred sixteen".