1222003203 has 8 divisors (see below), whose sum is σ = 1633778688. Its totient is φ = 812448264.

The previous prime is 1222003193. The next prime is 1222003207. The reversal of 1222003203 is 3023002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222003203 - 2¹⁰ = 1222002179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222003207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553851 + ... + 556052.

It is an arithmetic number, because the mean of its divisors is an integer number (204222336).

Almost surely, 2^1222003203 is an apocalyptic number.

1222003203 is a deficient number, since it is larger than the sum of its proper divisors (411775485).

1222003203 is a wasteful number, since it uses less digits than its factorization.

1222003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110273.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1222003203 is about 34957.1623991422. The cubic root of 1222003203 is about 1069.1142414858.

Adding to 1222003203 its reverse (3023002221), we get a palindrome (4245005424).

The spelling of 1222003203 in words is "one billion, two hundred twenty-two million, three thousand, two hundred three".