2303221189 has 2 divisors, whose sum is σ = 2303221190. Its totient is φ = 2303221188.

The previous prime is 2303221187. The next prime is 2303221231. The reversal of 2303221189 is 9811223032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2099930625 + 203290564 = 45825^2 + 14258^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303221189 - 2¹ = 2303221187 is a prime.

Together with 2303221187, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2303221189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2303221181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151610594 + 1151610595.

It is an arithmetic number, because the mean of its divisors is an integer number (1151610595).

Almost surely, 2^2303221189 is an apocalyptic number.

It is an amenable number.

2303221189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303221189 is an equidigital number, since it uses as much as digits as its factorization.

2303221189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2303221189 is about 47991.8866997329. The cubic root of 2303221189 is about 1320.6220646580.

The spelling of 2303221189 in words is "two billion, three hundred three million, two hundred twenty-one thousand, one hundred eighty-nine".