2182447872 has 108 divisors (see below), whose sum is σ = 6864663624. Its totient is φ = 661340160.

The previous prime is 2182447831. The next prime is 2182447877. The reversal of 2182447872 is 2787442812.

It is not an unprimeable number, because it can be changed into a prime (2182447877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17713 + ... + 68400.

Almost surely, 2^2182447872 is an apocalyptic number.

2182447872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2182447872 is an abundant number, since it is smaller than the sum of its proper divisors (4682215752).

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

2182447872 is a wasteful number, since it uses less digits than its factorization.

2182447872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86146 (or 86129 counting only the distinct ones).

The product of its digits is 401408, while the sum is 45.

The square root of 2182447872 is about 46716.6765941243. The cubic root of 2182447872 is about 1297.1233972216.

It can be divided in two parts, 21824 and 47872, that added together give a palindrome (69696).

The spelling of 2182447872 in words is "two billion, one hundred eighty-two million, four hundred forty-seven thousand, eight hundred seventy-two".