2217802887 has 12 divisors (see below), whose sum is σ = 3203929560. Its totient is φ = 1478333808.

The previous prime is 2217802879. The next prime is 2217802907. The reversal of 2217802887 is 7882087122.

It is not a de Polignac number, because 2217802887 - 2³ = 2217802879 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217802877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86164 + ... + 108902.

It is an arithmetic number, because the mean of its divisors is an integer number (266994130).

Almost surely, 2^2217802887 is an apocalyptic number.

2217802887 is a deficient number, since it is larger than the sum of its proper divisors (986126673).

2217802887 is a wasteful number, since it uses less digits than its factorization.

2217802887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33582 (or 33579 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 2217802887 is about 47093.5546226870. The cubic root of 2217802887 is about 1304.0902506868.

The spelling of 2217802887 in words is "two billion, two hundred seventeen million, eight hundred two thousand, eight hundred eighty-seven".