1220005233 has 40 divisors (see below), whose sum is σ = 1849848000. Its totient is φ = 801215712.

The previous prime is 1220005223. The next prime is 1220005247. The reversal of 1220005233 is 3325000221.

It is not a de Polignac number, because 1220005233 - 2⁵ = 1220005201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1220005223) 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 39 ways as a sum of consecutive naturals, for example, 2911498 + ... + 2911916.

It is an arithmetic number, because the mean of its divisors is an integer number (46246200).

Almost surely, 2^1220005233 is an apocalyptic number.

It is an amenable number.

1220005233 is a deficient number, since it is larger than the sum of its proper divisors (629842767).

1220005233 is a wasteful number, since it uses less digits than its factorization.

1220005233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1220005233 is about 34928.5733032427. The cubic root of 1220005233 is about 1068.5312579106.

Adding to 1220005233 its reverse (3325000221), we get a palindrome (4545005454).

The spelling of 1220005233 in words is "one billion, two hundred twenty million, five thousand, two hundred thirty-three".