2216492866 has 16 divisors (see below), whose sum is σ = 3806123904. Its totient is φ = 948320064.

The previous prime is 2216492851. The next prime is 2216492879. The reversal of 2216492866 is 6682946122.

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, 125190 + ... + 141793.

It is an arithmetic number, because the mean of its divisors is an integer number (237882744).

Almost surely, 2^2216492866 is an apocalyptic number.

2216492866 is a deficient number, since it is larger than the sum of its proper divisors (1589631038).

2216492866 is a wasteful number, since it uses less digits than its factorization.

2216492866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267585.

The product of its digits is 497664, while the sum is 46.

The square root of 2216492866 is about 47079.6438601653. The cubic root of 2216492866 is about 1303.8334316360.

The spelling of 2216492866 in words is "two billion, two hundred sixteen million, four hundred ninety-two thousand, eight hundred sixty-six".