2217056 has 24 divisors (see below), whose sum is σ = 4425120. Its totient is φ = 1093248.

The previous prime is 2217049. The next prime is 2217067. The reversal of 2217056 is 6507122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (184380).

2^2217056 is an apocalyptic number.

It is an amenable number.

2217056 is a deficient number, since it is larger than the sum of its proper divisors (2208064).

2217056 is an equidigital number, since it uses as much as digits as its factorization.

2217056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2217056 is about 1488.9781731107. The cubic root of 2217056 is about 130.3943841911.

The spelling of 2217056 in words is "two million, two hundred seventeen thousand, fifty-six".