1233222223 has 4 divisors (see below), whose sum is σ = 1244135808. Its totient is φ = 1222308640.

The previous prime is 1233222139. The next prime is 1233222229. The reversal of 1233222223 is 3222223321.

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 1233222223 - 2⁹ = 1233221711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233222194 and 1233222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233222229) 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, 5456623 + ... + 5456848.

It is an arithmetic number, because the mean of its divisors is an integer number (311033952).

Almost surely, 2^1233222223 is an apocalyptic number.

1233222223 is a deficient number, since it is larger than the sum of its proper divisors (10913585).

1233222223 is a wasteful number, since it uses less digits than its factorization.

1233222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10913584.

The product of its digits is 1728, while the sum is 22.

The square root of 1233222223 is about 35117.2638882929. The cubic root of 1233222223 is about 1072.3760697773.

Adding to 1233222223 its reverse (3222223321), we get a palindrome (4455445544).

The spelling of 1233222223 in words is "one billion, two hundred thirty-three million, two hundred twenty-two thousand, two hundred twenty-three".