2182722817 has 16 divisors (see below), whose sum is σ = 2455951104. Its totient is φ = 1922800000.

The previous prime is 2182722811. The next prime is 2182722821. The reversal of 2182722817 is 7182272812.

It is a de Polignac number, because none of the positive numbers 2^k-2182722817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2182722817.

It is not an unprimeable number, because it can be changed into a prime (2182722811) 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 15 ways as a sum of consecutive naturals, for example, 31317 + ... + 73117.

It is an arithmetic number, because the mean of its divisors is an integer number (153496944).

Almost surely, 2^2182722817 is an apocalyptic number.

It is an amenable number.

2182722817 is a deficient number, since it is larger than the sum of its proper divisors (273228287).

2182722817 is a wasteful number, since it uses less digits than its factorization.

2182722817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41960.

The product of its digits is 50176, while the sum is 40.

The square root of 2182722817 is about 46719.6191872323. The cubic root of 2182722817 is about 1297.1778655126.

It can be divided in two parts, 21827 and 22817, that added together give a palindrome (44644).

The spelling of 2182722817 in words is "two billion, one hundred eighty-two million, seven hundred twenty-two thousand, eight hundred seventeen".