223246393 has 2 divisors, whose sum is σ = 223246394. Its totient is φ = 223246392.

The previous prime is 223246357. The next prime is 223246451. The reversal of 223246393 is 393642322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173501584 + 49744809 = 13172^2 + 7053^2 .

It is a cyclic number.

It is not a de Polignac number, because 223246393 - 2⁹ = 223245881 is a prime.

It is a super-3 number, since 3×223246393³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223246313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111623196 + 111623197.

It is an arithmetic number, because the mean of its divisors is an integer number (111623197).

Almost surely, 2^223246393 is an apocalyptic number.

It is an amenable number.

223246393 is a deficient number, since it is larger than the sum of its proper divisors (1).

223246393 is an equidigital number, since it uses as much as digits as its factorization.

223246393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 34.

The square root of 223246393 is about 14941.4320933437. The cubic root of 223246393 is about 606.6359593133.

The spelling of 223246393 in words is "two hundred twenty-three million, two hundred forty-six thousand, three hundred ninety-three".