2231222219 has 2 divisors, whose sum is σ = 2231222220. Its totient is φ = 2231222218.

The previous prime is 2231222207. The next prime is 2231222237. The reversal of 2231222219 is 9122221322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231222219 - 2⁸ = 2231221963 is a prime.

It is a super-3 number, since 3×2231222219³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2231282219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115611109 + 1115611110.

It is an arithmetic number, because the mean of its divisors is an integer number (1115611110).

Almost surely, 2^2231222219 is an apocalyptic number.

2231222219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231222219 is an equidigital number, since it uses as much as digits as its factorization.

2231222219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 2231222219 is about 47235.8150030250. The cubic root of 2231222219 is about 1306.7151972538.

The spelling of 2231222219 in words is "two billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred nineteen".