1222213163 has 2 divisors, whose sum is σ = 1222213164. Its totient is φ = 1222213162.

The previous prime is 1222213159. The next prime is 1222213199. The reversal of 1222213163 is 3613122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222213163 - 2² = 1222213159 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222210163) 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, 611106581 + 611106582.

It is an arithmetic number, because the mean of its divisors is an integer number (611106582).

Almost surely, 2^1222213163 is an apocalyptic number.

1222213163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222213163 is an equidigital number, since it uses as much as digits as its factorization.

1222213163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 1222213163 is about 34960.1653743228. The cubic root of 1222213163 is about 1069.1754683770.

Adding to 1222213163 its reverse (3613122221), we get a palindrome (4835335384).

The spelling of 1222213163 in words is "one billion, two hundred twenty-two million, two hundred thirteen thousand, one hundred sixty-three".