1222302011 has 6 divisors (see below), whose sum is σ = 1421861580. Its totient is φ = 1047687396.

The previous prime is 1222302001. The next prime is 1222302013. The reversal of 1222302011 is 1102032221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1222302011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222302013) 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 in 5 ways as a sum of consecutive naturals, for example, 12472421 + ... + 12472518.

It is an arithmetic number, because the mean of its divisors is an integer number (236976930).

Almost surely, 2^1222302011 is an apocalyptic number.

1222302011 is a deficient number, since it is larger than the sum of its proper divisors (199559569).

1222302011 is an equidigital number, since it uses as much as digits as its factorization.

1222302011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24944953 (or 24944946 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1222302011 is about 34961.4360546016. The cubic root of 1222302011 is about 1069.2013754236.

Adding to 1222302011 its reverse (1102032221), we get a palindrome (2324334232).

The spelling of 1222302011 in words is "one billion, two hundred twenty-two million, three hundred two thousand, eleven".