2221233317 has 2 divisors, whose sum is σ = 2221233318. Its totient is φ = 2221233316.

The previous prime is 2221233307. The next prime is 2221233347. The reversal of 2221233317 is 7133321222.

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., 1354166401 + 867066916 = 36799^2 + 29446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221233317 - 2²⁴ = 2204456101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221233307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110616658 + 1110616659.

It is an arithmetic number, because the mean of its divisors is an integer number (1110616659).

Almost surely, 2^2221233317 is an apocalyptic number.

It is an amenable number.

2221233317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221233317 is an equidigital number, since it uses as much as digits as its factorization.

2221233317 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 2221233317 is about 47129.9619881026. The cubic root of 2221233317 is about 1304.7622800162.

Adding to 2221233317 its reverse (7133321222), we get a palindrome (9354554539).

The spelling of 2221233317 in words is "two billion, two hundred twenty-one million, two hundred thirty-three thousand, three hundred seventeen".