222310313 has 4 divisors (see below), whose sum is σ = 222838788. Its totient is φ = 221781840.

The previous prime is 222310307. The next prime is 222310327. The reversal of 222310313 is 313013222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313013222 = 2 ⋅156506611.

It can be written as a sum of positive squares in 2 ways, for example, as 11102224 + 211208089 = 3332^2 + 14533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222310313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222310291 and 222310300.

It is not an unprimeable number, because it can be changed into a prime (222310373) 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 in 3 ways as a sum of consecutive naturals, for example, 263606 + ... + 264447.

It is an arithmetic number, because the mean of its divisors is an integer number (55709697).

Almost surely, 2^222310313 is an apocalyptic number.

It is an amenable number.

222310313 is a deficient number, since it is larger than the sum of its proper divisors (528475).

222310313 is an equidigital number, since it uses as much as digits as its factorization.

222310313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528474.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 222310313 is about 14910.0742117536. The cubic root of 222310313 is about 605.7868894873.

Adding to 222310313 its reverse (313013222), we get a palindrome (535323535).

The spelling of 222310313 in words is "two hundred twenty-two million, three hundred ten thousand, three hundred thirteen".