1122222203 has 4 divisors (see below), whose sum is σ = 1123348800. Its totient is φ = 1121095608.

The previous prime is 1122222191. The next prime is 1122222209. The reversal of 1122222203 is 3022222211.

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 1122222203 - 2¹⁰ = 1122221179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122222209) 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, 561803 + ... + 563796.

It is an arithmetic number, because the mean of its divisors is an integer number (280837200).

Almost surely, 2^1122222203 is an apocalyptic number.

1122222203 is a deficient number, since it is larger than the sum of its proper divisors (1126597).

1122222203 is an equidigital number, since it uses as much as digits as its factorization.

1122222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126596.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1122222203 is about 33499.5851168339. The cubic root of 1122222203 is about 1039.1851985233.

Adding to 1122222203 its reverse (3022222211), we get a palindrome (4144444414).

The spelling of 1122222203 in words is "one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred three".