1223332433 has 4 divisors (see below), whose sum is σ = 1265516340. Its totient is φ = 1181148528.

The previous prime is 1223332417. The next prime is 1223332469. The reversal of 1223332433 is 3342333221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 893292544 + 330039889 = 29888^2 + 18167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223332433 - 2⁴ = 1223332417 is a prime.

It is a super-4 number, since 4×1223332433⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223332493) 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 3 ways as a sum of consecutive naturals, for example, 21091910 + ... + 21091967.

It is an arithmetic number, because the mean of its divisors is an integer number (316379085).

Almost surely, 2^1223332433 is an apocalyptic number.

It is an amenable number.

1223332433 is a deficient number, since it is larger than the sum of its proper divisors (42183907).

1223332433 is an equidigital number, since it uses as much as digits as its factorization.

1223332433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42183906.

The product of its digits is 7776, while the sum is 26.

The square root of 1223332433 is about 34976.1695015335. The cubic root of 1223332433 is about 1069.5017428621.

Adding to 1223332433 its reverse (3342333221), we get a palindrome (4565665654).

The spelling of 1223332433 in words is "one billion, two hundred twenty-three million, three hundred thirty-two thousand, four hundred thirty-three".