2203232809 has 2 divisors, whose sum is σ = 2203232810. Its totient is φ = 2203232808.

The previous prime is 2203232807. The next prime is 2203232819. The reversal of 2203232809 is 9082323022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2164854784 + 38378025 = 46528^2 + 6195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203232809 - 2¹ = 2203232807 is a prime.

Together with 2203232807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2203232803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101616404 + 1101616405.

It is an arithmetic number, because the mean of its divisors is an integer number (1101616405).

Almost surely, 2^2203232809 is an apocalyptic number.

It is an amenable number.

2203232809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203232809 is an equidigital number, since it uses as much as digits as its factorization.

2203232809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2203232809 is about 46938.6068071902. The cubic root of 2203232809 is about 1301.2281901752.

The spelling of 2203232809 in words is "two billion, two hundred three million, two hundred thirty-two thousand, eight hundred nine".