2221231233 has 96 divisors (see below), whose sum is σ = 3640089600. Its totient is φ = 1191763584.

The previous prime is 2221231223. The next prime is 2221231241. The reversal of 2221231233 is 3321321222.

It is a happy number.

It is not a de Polignac number, because 2221231233 - 2²⁴ = 2204454017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221231223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37647958 + ... + 37648016.

It is an arithmetic number, because the mean of its divisors is an integer number (37917600).

Almost surely, 2^2221231233 is an apocalyptic number.

2221231233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2221231233 is a deficient number, since it is larger than the sum of its proper divisors (1418858367).

2221231233 is a wasteful number, since it uses less digits than its factorization.

2221231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 164 counting only the distinct ones).

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

The square root of 2221231233 is about 47129.9398790196. The cubic root of 2221231233 is about 1304.7618719658.

Adding to 2221231233 its reverse (3321321222), we get a palindrome (5542552455).

It can be divided in two parts, 22212 and 31233, that multiplied together give a palindrome (693747396).

The spelling of 2221231233 in words is "two billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-three".