222341993 has 2 divisors, whose sum is σ = 222341994. Its totient is φ = 222341992.

The previous prime is 222341923. The next prime is 222342017. The reversal of 222341993 is 399143222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157828969 + 64513024 = 12563^2 + 8032^2 .

It is a cyclic number.

It is not a de Polignac number, because 222341993 - 2⁸ = 222341737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222341923) 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, 111170996 + 111170997.

It is an arithmetic number, because the mean of its divisors is an integer number (111170997).

Almost surely, 2^222341993 is an apocalyptic number.

It is an amenable number.

222341993 is a deficient number, since it is larger than the sum of its proper divisors (1).

222341993 is an equidigital number, since it uses as much as digits as its factorization.

222341993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 222341993 is about 14911.1365428662. The cubic root of 222341993 is about 605.8156637066.

The spelling of 222341993 in words is "two hundred twenty-two million, three hundred forty-one thousand, nine hundred ninety-three".