2217116 has 24 divisors (see below), whose sum is σ = 4339440. Its totient is φ = 982400.

The previous prime is 2217113. The next prime is 2217143. The reversal of 2217116 is 6117122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190 + ... + 2418.

It is an arithmetic number, because the mean of its divisors is an integer number (180810).

2^2217116 is an apocalyptic number.

It is an amenable number.

2217116 is a deficient number, since it is larger than the sum of its proper divisors (2122324).

2217116 is a wasteful number, since it uses less digits than its factorization.

2217116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1283 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 2217116 is about 1488.9983210199. The cubic root of 2217116 is about 130.3955604646.

It can be divided in two parts, 221 and 7116, that added together give a palindrome (7337).

The spelling of 2217116 in words is "two million, two hundred seventeen thousand, one hundred sixteen".