2180564224 has 36 divisors (see below), whose sum is σ = 4361231700. Its totient is φ = 1088122880.

The previous prime is 2180564167. The next prime is 2180564227. The reversal of 2180564224 is 4224650812.

It can be written as a sum of positive squares in 2 ways, for example, as 480486400 + 1700077824 = 21920^2 + 41232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2180564224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180564227) 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 3 ways as a sum of consecutive naturals, for example, 125202 + ... + 141550.

It is an arithmetic number, because the mean of its divisors is an integer number (121145325).

Almost surely, 2^2180564224 is an apocalyptic number.

It is an amenable number.

2180564224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2180564224 is an equidigital number, since it uses as much as digits as its factorization.

2180564224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16886 (or 16872 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 2180564224 is about 46696.5119039956. The cubic root of 2180564224 is about 1296.7501119155.

The spelling of 2180564224 in words is "two billion, one hundred eighty million, five hundred sixty-four thousand, two hundred twenty-four".