2216761912 has 16 divisors (see below), whose sum is σ = 4157098200. Its totient is φ = 1108202400.

The previous prime is 2216761891. The next prime is 2216761927. The reversal of 2216761912 is 2191676122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41014 + ... + 78202.

Almost surely, 2^2216761912 is an apocalyptic number.

It is an amenable number.

2216761912 is a deficient number, since it is larger than the sum of its proper divisors (1940336288).

2216761912 is a wasteful number, since it uses less digits than its factorization.

2216761912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44646 (or 44642 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 2216761912 is about 47082.5011230287. The cubic root of 2216761912 is about 1303.8861841897.

The spelling of 2216761912 in words is "two billion, two hundred sixteen million, seven hundred sixty-one thousand, nine hundred twelve".