1222112239 has 2 divisors, whose sum is σ = 1222112240. Its totient is φ = 1222112238.

The previous prime is 1222112219. The next prime is 1222112249. The reversal of 1222112239 is 9322112221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222112239 - 2⁵ = 1222112207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222112219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056119 + 611056120.

It is an arithmetic number, because the mean of its divisors is an integer number (611056120).

Almost surely, 2^1222112239 is an apocalyptic number.

1222112239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112239 is an equidigital number, since it uses as much as digits as its factorization.

1222112239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 1222112239 is about 34958.7219302995. The cubic root of 1222112239 is about 1069.1460385856.

The spelling of 1222112239 in words is "one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred thirty-nine".