2213712233 has 2 divisors, whose sum is σ = 2213712234. Its totient is φ = 2213712232.

The previous prime is 2213712229. The next prime is 2213712251. The reversal of 2213712233 is 3322173122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2185282009 + 28430224 = 46747^2 + 5332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213712233 - 2² = 2213712229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2213712133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106856116 + 1106856117.

It is an arithmetic number, because the mean of its divisors is an integer number (1106856117).

Almost surely, 2^2213712233 is an apocalyptic number.

It is an amenable number.

2213712233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213712233 is an equidigital number, since it uses as much as digits as its factorization.

2213712233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 2213712233 is about 47050.1034324049. The cubic root of 2213712233 is about 1303.2879754247.

Adding to 2213712233 its reverse (3322173122), we get a palindrome (5535885355).

The spelling of 2213712233 in words is "two billion, two hundred thirteen million, seven hundred twelve thousand, two hundred thirty-three".