2217085803 has 24 divisors (see below), whose sum is σ = 3299186160. Its totient is φ = 1471504320.

The previous prime is 2217085751. The next prime is 2217085841. The reversal of 2217085803 is 3085807122.

2217085803 is a `hidden beast` number, since 2 + 2 + 1 + 70 + 8 + 580 + 3 = 666.

It is not a de Polignac number, because 2217085803 - 2³⁰ = 1143343979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2217085883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4255183 + ... + 4255703.

It is an arithmetic number, because the mean of its divisors is an integer number (137466090).

Almost surely, 2^2217085803 is an apocalyptic number.

2217085803 is a deficient number, since it is larger than the sum of its proper divisors (1082100357).

2217085803 is an frugal number, since it uses more digits than its factorization.

2217085803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2217085803 is about 47085.9406086360. The cubic root of 2217085803 is about 1303.9496846843.

The spelling of 2217085803 in words is "two billion, two hundred seventeen million, eighty-five thousand, eight hundred three".