222314321 has 4 divisors (see below), whose sum is σ = 235391652. Its totient is φ = 209236992.

The previous prime is 222314293. The next prime is 222314333. The reversal of 222314321 is 123413222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123413222 = 2 ⋅61706611.

It can be written as a sum of positive squares in 2 ways, for example, as 102718225 + 119596096 = 10135^2 + 10936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222314321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222314293 and 222314302.

It is not an unprimeable number, because it can be changed into a prime (222314381) 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, 6538640 + ... + 6538673.

It is an arithmetic number, because the mean of its divisors is an integer number (58847913).

Almost surely, 2^222314321 is an apocalyptic number.

It is an amenable number.

222314321 is a deficient number, since it is larger than the sum of its proper divisors (13077331).

222314321 is a wasteful number, since it uses less digits than its factorization.

222314321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13077330.

The product of its digits is 576, while the sum is 20.

The square root of 222314321 is about 14910.2086169175. The cubic root of 222314321 is about 605.7905300130.

Adding to 222314321 its reverse (123413222), we get a palindrome (345727543).

The spelling of 222314321 in words is "two hundred twenty-two million, three hundred fourteen thousand, three hundred twenty-one".