222313393 has 2 divisors, whose sum is σ = 222313394. Its totient is φ = 222313392.

The previous prime is 222313387. The next prime is 222313409. The reversal of 222313393 is 393313222.

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., 195356529 + 26956864 = 13977^2 + 5192^2 .

It is a cyclic number.

It is not a de Polignac number, because 222313393 - 2¹³ = 222305201 is a prime.

It is not a weakly prime, because it can be changed into another prime (222311393) 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, 111156696 + 111156697.

It is an arithmetic number, because the mean of its divisors is an integer number (111156697).

Almost surely, 2^222313393 is an apocalyptic number.

It is an amenable number.

222313393 is a deficient number, since it is larger than the sum of its proper divisors (1).

222313393 is an equidigital number, since it uses as much as digits as its factorization.

222313393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 28.

The square root of 222313393 is about 14910.1774972668. The cubic root of 222313393 is about 605.7896871008.

The spelling of 222313393 in words is "two hundred twenty-two million, three hundred thirteen thousand, three hundred ninety-three".