2182855889 has 2 divisors, whose sum is σ = 2182855890. Its totient is φ = 2182855888.

The previous prime is 2182855859. The next prime is 2182855891. The reversal of 2182855889 is 9885582812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2156023489 + 26832400 = 46433^2 + 5180^2 .

It is a cyclic number.

It is not a de Polignac number, because 2182855889 - 2¹⁶ = 2182790353 is a prime.

Together with 2182855891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2182855859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091427944 + 1091427945.

It is an arithmetic number, because the mean of its divisors is an integer number (1091427945).

Almost surely, 2^2182855889 is an apocalyptic number.

It is an amenable number.

2182855889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2182855889 is an equidigital number, since it uses as much as digits as its factorization.

2182855889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3686400, while the sum is 56.

The square root of 2182855889 is about 46721.0433209705. The cubic root of 2182855889 is about 1297.2042262494.

The spelling of 2182855889 in words is "two billion, one hundred eighty-two million, eight hundred fifty-five thousand, eight hundred eighty-nine".