2208215 has 16 divisors (see below), whose sum is σ = 2848608. Its totient is φ = 1637376.

The previous prime is 2208203. The next prime is 2208229. The reversal of 2208215 is 5128022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2208215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6899 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (178038).

2^2208215 is an apocalyptic number.

2208215 is a deficient number, since it is larger than the sum of its proper divisors (640393).

2208215 is a wasteful number, since it uses less digits than its factorization.

2208215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2208215 is about 1486.0063929876. The cubic root of 2208215 is about 130.2208278286.

The spelling of 2208215 in words is "two million, two hundred eight thousand, two hundred fifteen".