2182231856 has 160 divisors (see below), whose sum is σ = 5180620800. Its totient is φ = 889056000.

The previous prime is 2182231853. The next prime is 2182231907. The reversal of 2182231856 is 6581322812.

Its product of digits (46080) is a multiple of the sum of its prime factors (288).

It is not an unprimeable number, because it can be changed into a prime (2182231853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17182865 + ... + 17182991.

It is an arithmetic number, because the mean of its divisors is an integer number (32378880).

Almost surely, 2^2182231856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2182231856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2590310400).

2182231856 is an abundant number, since it is smaller than the sum of its proper divisors (2998388944).

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

2182231856 is a wasteful number, since it uses less digits than its factorization.

2182231856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 268 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 2182231856 is about 46714.3645573821. The cubic root of 2182231856 is about 1297.0805999180.

The spelling of 2182231856 in words is "two billion, one hundred eighty-two million, two hundred thirty-one thousand, eight hundred fifty-six".