1222112219 has 2 divisors, whose sum is σ = 1222112220. Its totient is φ = 1222112218.

The previous prime is 1222112207. The next prime is 1222112239. The reversal of 1222112219 is 9122112221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222112219 is a prime.

It is a super-2 number, since 2×1222112219² = 2987116551658207922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222112194 and 1222112203.

It is not a weakly prime, because it can be changed into another prime (1222112239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056109 + 611056110.

It is an arithmetic number, because the mean of its divisors is an integer number (611056110).

Almost surely, 2^1222112219 is an apocalyptic number.

1222112219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112219 is an equidigital number, since it uses as much as digits as its factorization.

1222112219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

The square root of 1222112219 is about 34958.7216442478. The cubic root of 1222112219 is about 1069.1460327534.

The spelling of 1222112219 in words is "one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred nineteen".