222303313 has 2 divisors, whose sum is σ = 222303314. Its totient is φ = 222303312.

The previous prime is 222303293. The next prime is 222303317. The reversal of 222303313 is 313303222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205262929 + 17040384 = 14327^2 + 4128^2 .

It is a cyclic number.

It is not a de Polignac number, because 222303313 - 2⁵ = 222303281 is a prime.

It is not a weakly prime, because it can be changed into another prime (222303317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111151656 + 111151657.

It is an arithmetic number, because the mean of its divisors is an integer number (111151657).

Almost surely, 2^222303313 is an apocalyptic number.

It is an amenable number.

222303313 is a deficient number, since it is larger than the sum of its proper divisors (1).

222303313 is an equidigital number, since it uses as much as digits as its factorization.

222303313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 222303313 is about 14909.8394692901. The cubic root of 222303313 is about 605.7805311786.

Adding to 222303313 its reverse (313303222), we get a palindrome (535606535).

Subtracting 222303313 from its reverse (313303222), we obtain a palindrome (90999909).

The spelling of 222303313 in words is "two hundred twenty-two million, three hundred three thousand, three hundred thirteen".