2223131609 has 2 divisors, whose sum is σ = 2223131610. Its totient is φ = 2223131608.

The previous prime is 2223131593. The next prime is 2223131611. The reversal of 2223131609 is 9061313222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2047834009 + 175297600 = 45253^2 + 13240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223131609 - 2⁴ = 2223131593 is a prime.

Together with 2223131611, 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 (2223131639) 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, 1111565804 + 1111565805.

It is an arithmetic number, because the mean of its divisors is an integer number (1111565805).

Almost surely, 2^2223131609 is an apocalyptic number.

It is an amenable number.

2223131609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223131609 is an equidigital number, since it uses as much as digits as its factorization.

2223131609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2223131609 is about 47150.0965958714. The cubic root of 2223131609 is about 1305.1338625571.

The spelling of 2223131609 in words is "two billion, two hundred twenty-three million, one hundred thirty-one thousand, six hundred nine".