222443202313 has 2 divisors, whose sum is σ = 222443202314. Its totient is φ = 222443202312.

The previous prime is 222443202281. The next prime is 222443202341. The reversal of 222443202313 is 313202344222.

It is an a-pointer prime, because the next prime (222443202341) can be obtained adding 222443202313 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222074677504 + 368524809 = 471248^2 + 19197^2 .

It is a cyclic number.

It is not a de Polignac number, because 222443202313 - 2⁵ = 222443202281 is a prime.

It is a super-3 number, since 3×222443202313³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (222443202013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111221601156 + 111221601157.

It is an arithmetic number, because the mean of its divisors is an integer number (111221601157).

Almost surely, 2^222443202313 is an apocalyptic number.

It is an amenable number.

222443202313 is a deficient number, since it is larger than the sum of its proper divisors (1).

222443202313 is an equidigital number, since it uses as much as digits as its factorization.

222443202313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 222443202313 its reverse (313202344222), we get a palindrome (535645546535).

The spelling of 222443202313 in words is "two hundred twenty-two billion, four hundred forty-three million, two hundred two thousand, three hundred thirteen".