1222023222241 has 4 divisors (see below), whose sum is σ = 1222324439812. Its totient is φ = 1221722004672.

The previous prime is 1222023222223. The next prime is 1222023222263. The reversal of 1222023222241 is 1422223202221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 425761470016 + 796261752225 = 652504^2 + 892335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222023222241 - 2³⁹ = 672267408353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222023222941) 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 3 ways as a sum of consecutive naturals, for example, 150602700 + ... + 150610813.

It is an arithmetic number, because the mean of its divisors is an integer number (305581109953).

Almost surely, 2^{1222023222241} is an apocalyptic number.

It is an amenable number.

1222023222241 is a deficient number, since it is larger than the sum of its proper divisors (301217571).

1222023222241 is an equidigital number, since it uses as much as digits as its factorization.

1222023222241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301217570.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1222023222241 its reverse (1422223202221), we get a palindrome (2644246424462).

The spelling of 1222023222241 in words is "one trillion, two hundred twenty-two billion, twenty-three million, two hundred twenty-two thousand, two hundred forty-one".