Adding to 2215 its reverse (5122), we get a palindrome (7337).
2215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
2215 is a lucky number.
It is a plaindrome in base 12.
It is a nialpdrome in base 14.
It is a congruent number.
2215 is an equidigital number, since it uses as much as digits as its factorization.
2215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448.
The square root of 2215 is about 47.0637865030. The cubic root of 2215 is about 13.0354064390.
The spelling of 2215 in words is "two thousand, two hundred fifteen".