1222241211 has 8 divisors (see below), whose sum is σ = 1810727760. Its totient is φ = 814827456.

The previous prime is 1222241203. The next prime is 1222241281. The reversal of 1222241211 is 1121422221.

It is not a de Polignac number, because 1222241211 - 2³ = 1222241203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222241281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22634070 + ... + 22634123.

It is an arithmetic number, because the mean of its divisors is an integer number (226340970).

Almost surely, 2^1222241211 is an apocalyptic number.

1222241211 is a deficient number, since it is larger than the sum of its proper divisors (588486549).

1222241211 is an equidigital number, since it uses as much as digits as its factorization.

1222241211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45268202 (or 45268196 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 1222241211 is about 34960.5665142886. The cubic root of 1222241211 is about 1069.1836469842.

Adding to 1222241211 its reverse (1121422221), we get a palindrome (2343663432).

The spelling of 1222241211 in words is "one billion, two hundred twenty-two million, two hundred forty-one thousand, two hundred eleven".