2285317866 has 64 divisors (see below), whose sum is σ = 4998470400. Its totient is φ = 692361216.

The previous prime is 2285317849. The next prime is 2285317889. The reversal of 2285317866 is 6687135822.

2285317866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1731955 + ... + 1733273.

It is an arithmetic number, because the mean of its divisors is an integer number (78101100).

Almost surely, 2^2285317866 is an apocalyptic number.

2285317866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2285317866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499235200).

2285317866 is an abundant number, since it is smaller than the sum of its proper divisors (2713152534).

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

2285317866 is a wasteful number, since it uses less digits than its factorization.

2285317866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its digits is 967680, while the sum is 48.

The square root of 2285317866 is about 47804.9983369940. The cubic root of 2285317866 is about 1317.1913547872.

The spelling of 2285317866 in words is "two billion, two hundred eighty-five million, three hundred seventeen thousand, eight hundred sixty-six".