2216115 has 48 divisors (see below), whose sum is σ = 4339296. Its totient is φ = 1045440.

The previous prime is 2216113. The next prime is 2216117. The reversal of 2216115 is 5116122.

It is an interprime number because it is at equal distance from previous prime (2216113) and next prime (2216117).

It is not a de Polignac number, because 2216115 - 2¹ = 2216113 is a prime.

It is a super-2 number, since 2×2216115² = 9822331386450, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 59877 + ... + 59913.

It is an arithmetic number, because the mean of its divisors is an integer number (90402).

2^2216115 is an apocalyptic number.

2216115 is a deficient number, since it is larger than the sum of its proper divisors (2123181).

2216115 is a wasteful number, since it uses less digits than its factorization.

2216115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 56 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 2216115 is about 1488.6621510605. The cubic root of 2216115 is about 130.3759335251.

It can be divided in two parts, 221 and 6115, that added together give a palindrome (6336).

The spelling of 2216115 in words is "two million, two hundred sixteen thousand, one hundred fifteen".