2217085 has 16 divisors (see below), whose sum is σ = 2991744. Its totient is φ = 1564992.

The previous prime is 2217073. The next prime is 2217101. The reversal of 2217085 is 5807122.

It is not a de Polignac number, because 2217085 - 2⁷ = 2216957 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, 754 + ... + 2236.

It is an arithmetic number, because the mean of its divisors is an integer number (186984).

2^2217085 is an apocalyptic number.

It is an amenable number.

2217085 is a deficient number, since it is larger than the sum of its proper divisors (774659).

2217085 is a wasteful number, since it uses less digits than its factorization.

2217085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2217085 is about 1488.9879113008. The cubic root of 2217085 is about 130.3949527260.

The spelling of 2217085 in words is "two million, two hundred seventeen thousand, eighty-five".