2216116 has 12 divisors (see below), whose sum is σ = 4432288. Its totient is φ = 949752.

The previous prime is 2216113. The next prime is 2216117. The reversal of 2216116 is 6116122.

2216116 is an admirable number.

It is a super-2 number, since 2×2216116² = 9822340250912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2216093 and 2216102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39546 + ... + 39601.

2^2216116 is an apocalyptic number.

It is an amenable number.

2216116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216116 is a wasteful number, since it uses less digits than its factorization.

2216116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79158 (or 79156 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 2216116 is about 1488.6624869325. The cubic root of 2216116 is about 130.3759531354.

It can be divided in two parts, 2216 and 116, that added together give a palindrome (2332).

The spelling of 2216116 in words is "two million, two hundred sixteen thousand, one hundred sixteen".