2216995 has 16 divisors (see below), whose sum is σ = 2931552. Its totient is φ = 1596160.

The previous prime is 2216989. The next prime is 2216999. The reversal of 2216995 is 5996122.

2216995 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 2216995 - 2¹³ = 2208803 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216995.

It is not an unprimeable number, because it can be changed into a prime (2216999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9399 + ... + 9631.

It is an arithmetic number, because the mean of its divisors is an integer number (183222).

2^2216995 is an apocalyptic number.

2216995 is a deficient number, since it is larger than the sum of its proper divisors (714557).

2216995 is a wasteful number, since it uses less digits than its factorization.

2216995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its digits is 9720, while the sum is 34.

The square root of 2216995 is about 1488.9576891235. The cubic root of 2216995 is about 130.3931882914.

The spelling of 2216995 in words is "two million, two hundred sixteen thousand, nine hundred ninety-five".