2116215 has 48 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1036800.

The previous prime is 2116199. The next prime is 2116291. The reversal of 2116215 is 5126112.

It is not a de Polignac number, because 2116215 - 2⁴ = 2116199 is a prime.

Its product of digits (120) is a multiple of the sum of its prime factors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51595 + ... + 51635.

It is an arithmetic number, because the mean of its divisors is an integer number (82992).

2^2116215 is an apocalyptic number.

2116215 is a deficient number, since it is larger than the sum of its proper divisors (1867401).

2116215 is a wasteful number, since it uses less digits than its factorization.

2116215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 117 counting only the distinct ones).

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

The square root of 2116215 is about 1454.7216228544. The cubic root of 2116215 is about 128.3866684851.

The spelling of 2116215 in words is "two million, one hundred sixteen thousand, two hundred fifteen".