1223333255 has 4 divisors (see below), whose sum is σ = 1467999912. Its totient is φ = 978666600.

The previous prime is 1223333233. The next prime is 1223333261. The reversal of 1223333255 is 5523333221.

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

It is a de Polignac number, because none of the positive numbers 2^k-1223333255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122333321 + ... + 122333330.

It is an arithmetic number, because the mean of its divisors is an integer number (366999978).

Almost surely, 2^1223333255 is an apocalyptic number.

1223333255 is a deficient number, since it is larger than the sum of its proper divisors (244666657).

1223333255 is an equidigital number, since it uses as much as digits as its factorization.

1223333255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244666656.

The product of its digits is 16200, while the sum is 29.

The square root of 1223333255 is about 34976.1812523895. The cubic root of 1223333255 is about 1069.5019824073.

Adding to 1223333255 its reverse (5523333221), we get a palindrome (6746666476).

The spelling of 1223333255 in words is "one billion, two hundred twenty-three million, three hundred thirty-three thousand, two hundred fifty-five".