2217346986 has 16 divisors (see below), whose sum is σ = 4447051200. Its totient is φ = 737056128.

The previous prime is 2217346961. The next prime is 2217346991. The reversal of 2217346986 is 6896437122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512551 + ... + 516858.

It is an arithmetic number, because the mean of its divisors is an integer number (277940700).

Almost surely, 2^2217346986 is an apocalyptic number.

2217346986 is an abundant number, since it is smaller than the sum of its proper divisors (2229704214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2217346986 is a wasteful number, since it uses less digits than its factorization.

2217346986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029773.

The product of its digits is 870912, while the sum is 48.

The square root of 2217346986 is about 47088.7139981546. The cubic root of 2217346986 is about 1304.0008864491. Note that the first 3 decimals are identical.

The spelling of 2217346986 in words is "two billion, two hundred seventeen million, three hundred forty-six thousand, nine hundred eighty-six".