2185922159 has 2 divisors, whose sum is σ = 2185922160. Its totient is φ = 2185922158.

The previous prime is 2185922143. The next prime is 2185922173. The reversal of 2185922159 is 9512295812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2185922159 - 2⁴ = 2185922143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2185922359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092961079 + 1092961080.

It is an arithmetic number, because the mean of its divisors is an integer number (1092961080).

Almost surely, 2^2185922159 is an apocalyptic number.

2185922159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2185922159 is an equidigital number, since it uses as much as digits as its factorization.

2185922159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 44.

The square root of 2185922159 is about 46753.8464620827. The cubic root of 2185922159 is about 1297.8113387685.

The spelling of 2185922159 in words is "two billion, one hundred eighty-five million, nine hundred twenty-two thousand, one hundred fifty-nine".