1220130233 has 16 divisors (see below), whose sum is σ = 1444156800. Its totient is φ = 1030197168.

The previous prime is 1220130229. The next prime is 1220130257. The reversal of 1220130233 is 3320310221.

It is not a de Polignac number, because 1220130233 - 2² = 1220130229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220150233) 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 15 ways as a sum of consecutive naturals, for example, 3566 + ... + 49527.

It is an arithmetic number, because the mean of its divisors is an integer number (90259800).

Almost surely, 2^1220130233 is an apocalyptic number.

It is an amenable number.

1220130233 is a deficient number, since it is larger than the sum of its proper divisors (224026567).

1220130233 is an frugal number, since it uses more digits than its factorization.

1220130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53181 (or 53167 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1220130233 is about 34930.3626233682. The cubic root of 1220130233 is about 1068.5677500617.

Adding to 1220130233 its reverse (3320310221), we get a palindrome (4540440454).

The spelling of 1220130233 in words is "one billion, two hundred twenty million, one hundred thirty thousand, two hundred thirty-three".