2216492868 has 24 divisors (see below), whose sum is σ = 5242665568. Its totient is φ = 728709696.

The previous prime is 2216492851. The next prime is 2216492879. The reversal of 2216492868 is 8682946122.

It is a happy number.

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, 1264246 + ... + 1265997.

Almost surely, 2^2216492868 is an apocalyptic number.

It is an amenable number.

2216492868 is an abundant number, since it is smaller than the sum of its proper divisors (3026172700).

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

2216492868 is a wasteful number, since it uses less digits than its factorization.

2216492868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530323 (or 2530321 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 2216492868 is about 47079.6438814059. The cubic root of 2216492868 is about 1303.8334320281.

The spelling of 2216492868 in words is "two billion, two hundred sixteen million, four hundred ninety-two thousand, eight hundred sixty-eight".