1222203303 has 64 divisors (see below), whose sum is σ = 1925468160. Its totient is φ = 765158400.

The previous prime is 1222203251. The next prime is 1222203341. The reversal of 1222203303 is 3033022221.

It is a happy number.

It is not a de Polignac number, because 1222203303 - 2²⁶ = 1155094439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222203403) 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 63 ways as a sum of consecutive naturals, for example, 5071263 + ... + 5071503.

It is an arithmetic number, because the mean of its divisors is an integer number (30085440).

Almost surely, 2^1222203303 is an apocalyptic number.

1222203303 is a deficient number, since it is larger than the sum of its proper divisors (703264857).

1222203303 is a wasteful number, since it uses less digits than its factorization.

1222203303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1222203303 is about 34960.0243563988. The cubic root of 1222203303 is about 1069.1725932379.

Adding to 1222203303 its reverse (3033022221), we get a palindrome (4255225524).

The spelling of 1222203303 in words is "one billion, two hundred twenty-two million, two hundred three thousand, three hundred three".