2272163866 has 32 divisors (see below), whose sum is σ = 4127777280. Its totient is φ = 915722496.

The previous prime is 2272163863. The next prime is 2272163867. The reversal of 2272163866 is 6683612722.

2272163866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2272163863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335320 + ... + 342028.

It is an arithmetic number, because the mean of its divisors is an integer number (128993040).

Almost surely, 2^2272163866 is an apocalyptic number.

2272163866 is a deficient number, since it is larger than the sum of its proper divisors (1855613414).

2272163866 is a wasteful number, since it uses less digits than its factorization.

2272163866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158.

The product of its digits is 290304, while the sum is 43.

The square root of 2272163866 is about 47667.2200364150. The cubic root of 2272163866 is about 1314.6592949837.

The spelling of 2272163866 in words is "two billion, two hundred seventy-two million, one hundred sixty-three thousand, eight hundred sixty-six".