222002323 has 2 divisors, whose sum is σ = 222002324. Its totient is φ = 222002322.

The previous prime is 222002311. The next prime is 222002351. The reversal of 222002323 is 323200222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222002323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222002297 and 222002306.

It is not a weakly prime, because it can be changed into another prime (222002383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001161 + 111001162.

It is an arithmetic number, because the mean of its divisors is an integer number (111001162).

Almost surely, 2^222002323 is an apocalyptic number.

222002323 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002323 is an equidigital number, since it uses as much as digits as its factorization.

222002323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 222002323 is about 14899.7423803232. The cubic root of 222002323 is about 605.5070066375.

Adding to 222002323 its reverse (323200222), we get a palindrome (545202545).

The spelling of 222002323 in words is "two hundred twenty-two million, two thousand, three hundred twenty-three".