2216773256 has 16 divisors (see below), whose sum is σ = 4218487440. Its totient is φ = 1091843280.

The previous prime is 2216773231. The next prime is 2216773271. The reversal of 2216773256 is 6523776122.

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, 2067350 + ... + 2068421.

It is an arithmetic number, because the mean of its divisors is an integer number (263655465).

Almost surely, 2^2216773256 is an apocalyptic number.

It is an amenable number.

2216773256 is a deficient number, since it is larger than the sum of its proper divisors (2001714184).

2216773256 is a wasteful number, since it uses less digits than its factorization.

2216773256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135844 (or 4135840 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 2216773256 is about 47082.6215922606. The cubic root of 2216773256 is about 1303.8884083437. Note that the first 3 decimals are identical.

The spelling of 2216773256 in words is "two billion, two hundred sixteen million, seven hundred seventy-three thousand, two hundred fifty-six".