1232220433 has 12 divisors (see below), whose sum is σ = 1316979840. Its totient is φ = 1152563256.

The previous prime is 1232220419. The next prime is 1232220463. The reversal of 1232220433 is 3340222321.

It is a de Polignac number, because none of the positive numbers 2^k-1232220433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232220403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6916 + ... + 50122.

It is an arithmetic number, because the mean of its divisors is an integer number (109748320).

Almost surely, 2^1232220433 is an apocalyptic number.

It is an amenable number.

1232220433 is a deficient number, since it is larger than the sum of its proper divisors (84759407).

1232220433 is an equidigital number, since it uses as much as digits as its factorization.

1232220433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43324 (or 43305 counting only the distinct ones).

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

The square root of 1232220433 is about 35102.9974930917. The cubic root of 1232220433 is about 1072.0856147859.

Adding to 1232220433 its reverse (3340222321), we get a palindrome (4572442754).

The spelling of 1232220433 in words is "one billion, two hundred thirty-two million, two hundred twenty thousand, four hundred thirty-three".