1222222222203 has 4 divisors (see below), whose sum is σ = 1629629629608. Its totient is φ = 814814814800.

The previous prime is 1222222222189. The next prime is 1222222222211. The reversal of 1222222222203 is 3022222222221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222222222203 - 2⁶ = 1222222222139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222222224203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203703703698 + ... + 203703703703.

It is an arithmetic number, because the mean of its divisors is an integer number (407407407402).

Almost surely, 2^{1222222222203} is an apocalyptic number.

1222222222203 is a deficient number, since it is larger than the sum of its proper divisors (407407407405).

1222222222203 is an equidigital number, since it uses as much as digits as its factorization.

1222222222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407407407404.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1222222222203 its reverse (3022222222221), we get a palindrome (4244444444424).

The spelling of 1222222222203 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred three".