1222443203 has 2 divisors, whose sum is σ = 1222443204. Its totient is φ = 1222443202.

The previous prime is 1222443197. The next prime is 1222443217. The reversal of 1222443203 is 3023442221.

It is a weak prime.

It is an emirp because it is prime and its reverse (3023442221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222443203 - 2²⁰ = 1221394627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222443403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611221601 + 611221602.

It is an arithmetic number, because the mean of its divisors is an integer number (611221602).

Almost surely, 2^1222443203 is an apocalyptic number.

1222443203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222443203 is an equidigital number, since it uses as much as digits as its factorization.

1222443203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1222443203 is about 34963.4552497318. The cubic root of 1222443203 is about 1069.2425427911.

Adding to 1222443203 its reverse (3023442221), we get a palindrome (4245885424).

The spelling of 1222443203 in words is "one billion, two hundred twenty-two million, four hundred forty-three thousand, two hundred three".