2144223811 has 2 divisors, whose sum is σ = 2144223812. Its totient is φ = 2144223810.

The previous prime is 2144223799. The next prime is 2144223833. The reversal of 2144223811 is 1183224412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144223811 - 2⁹ = 2144223299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144223811.

It is not a weakly prime, because it can be changed into another prime (2144223881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072111905 + 1072111906.

It is an arithmetic number, because the mean of its divisors is an integer number (1072111906).

Almost surely, 2^2144223811 is an apocalyptic number.

2144223811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144223811 is an equidigital number, since it uses as much as digits as its factorization.

2144223811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 2144223811 is about 46305.7643387948. The cubic root of 2144223811 is about 1289.5060126093.

The spelling of 2144223811 in words is "two billion, one hundred forty-four million, two hundred twenty-three thousand, eight hundred eleven".