2217017055 has 48 divisors (see below), whose sum is σ = 3919839840. Its totient is φ = 1069178880.

The previous prime is 2217017051. The next prime is 2217017063. The reversal of 2217017055 is 5507107122.

It is not a de Polignac number, because 2217017055 - 2² = 2217017051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217017051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347131 + ... + 353459.

It is an arithmetic number, because the mean of its divisors is an integer number (81663330).

Almost surely, 2^2217017055 is an apocalyptic number.

2217017055 is a deficient number, since it is larger than the sum of its proper divisors (1702822785).

2217017055 is a wasteful number, since it uses less digits than its factorization.

2217017055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552 (or 6541 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 2217017055 is about 47085.2105761459. The cubic root of 2217017055 is about 1303.9362068027.

The spelling of 2217017055 in words is "two billion, two hundred seventeen million, seventeen thousand, fifty-five".