1222213219 has 2 divisors, whose sum is σ = 1222213220. Its totient is φ = 1222213218.

The previous prime is 1222213199. The next prime is 1222213243. The reversal of 1222213219 is 9123122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222213219 - 2¹⁵ = 1222180451 is a prime.

It is a super-2 number, since 2×1222213219² = 2987610305396683922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222213193 and 1222213202.

It is not a weakly prime, because it can be changed into another prime (1222213919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611106609 + 611106610.

It is an arithmetic number, because the mean of its divisors is an integer number (611106610).

Almost surely, 2^1222213219 is an apocalyptic number.

1222213219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222213219 is an equidigital number, since it uses as much as digits as its factorization.

1222213219 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 1222213219 is about 34960.1661752344. The cubic root of 1222213219 is about 1069.1754847063.

The spelling of 1222213219 in words is "one billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred nineteen".