2216571863 has 8 divisors (see below), whose sum is σ = 2545345920. Its totient is φ = 1909009080.

The previous prime is 2216571859. The next prime is 2216571881. The reversal of 2216571863 is 3681756122.

2216571863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2216571863 - 2² = 2216571859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216571863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216571803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5302595 + ... + 5303012.

It is an arithmetic number, because the mean of its divisors is an integer number (318168240).

Almost surely, 2^2216571863 is an apocalyptic number.

2216571863 is a deficient number, since it is larger than the sum of its proper divisors (328774057).

2216571863 is a wasteful number, since it uses less digits than its factorization.

2216571863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605637.

The product of its digits is 120960, while the sum is 41.

The square root of 2216571863 is about 47080.4828246270. The cubic root of 2216571863 is about 1303.8489212273.

The spelling of 2216571863 in words is "two billion, two hundred sixteen million, five hundred seventy-one thousand, eight hundred sixty-three".