1222231233 has 8 divisors (see below), whose sum is σ = 1631384608. Its totient is φ = 813949344.

The previous prime is 1222231207. The next prime is 1222231243. The reversal of 1222231233 is 3321322221.

It is a happy number.

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

It is not a de Polignac number, because 1222231233 - 2¹⁰ = 1222230209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222231243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214591 + ... + 220212.

It is an arithmetic number, because the mean of its divisors is an integer number (203923076).

Almost surely, 2^1222231233 is an apocalyptic number.

It is an amenable number.

1222231233 is a deficient number, since it is larger than the sum of its proper divisors (409153375).

1222231233 is an equidigital number, since it uses as much as digits as its factorization.

1222231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435743.

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

The square root of 1222231233 is about 34960.4238103602. The cubic root of 1222231233 is about 1069.1807374812.

Adding to 1222231233 its reverse (3321322221), we get a palindrome (4543553454).

The spelling of 1222231233 in words is "one billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty-three".