1223122233 has 4 divisors (see below), whose sum is σ = 1630829648. Its totient is φ = 815414820.

The previous prime is 1223122231. The next prime is 1223122237. The reversal of 1223122233 is 3322213221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1223122233 - 2¹ = 1223122231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223122231) 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 3 ways as a sum of consecutive naturals, for example, 203853703 + ... + 203853708.

It is an arithmetic number, because the mean of its divisors is an integer number (407707412).

Almost surely, 2^1223122233 is an apocalyptic number.

It is an amenable number.

1223122233 is a deficient number, since it is larger than the sum of its proper divisors (407707415).

1223122233 is an equidigital number, since it uses as much as digits as its factorization.

1223122233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407707414.

The product of its digits is 864, while the sum is 21.

The square root of 1223122233 is about 34973.1644693471. The cubic root of 1223122233 is about 1069.4404833774.

Adding to 1223122233 its reverse (3322213221), we get a palindrome (4545335454).

The spelling of 1223122233 in words is "one billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty-three".