2165722883 has 2 divisors, whose sum is σ = 2165722884. Its totient is φ = 2165722882.

The previous prime is 2165722877. The next prime is 2165722891. The reversal of 2165722883 is 3882275612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2165722883 is a prime.

It is not a weakly prime, because it can be changed into another prime (2165722843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082861441 + 1082861442.

It is an arithmetic number, because the mean of its divisors is an integer number (1082861442).

Almost surely, 2^2165722883 is an apocalyptic number.

2165722883 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165722883 is an equidigital number, since it uses as much as digits as its factorization.

2165722883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The square root of 2165722883 is about 46537.3278455048. The cubic root of 2165722883 is about 1293.8014348210.

The spelling of 2165722883 in words is "two billion, one hundred sixty-five million, seven hundred twenty-two thousand, eight hundred eighty-three".