222201323 has 4 divisors (see below), whose sum is σ = 222355080. Its totient is φ = 222047568.

The previous prime is 222201319. The next prime is 222201337. The reversal of 222201323 is 323102222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222201323 - 2² = 222201319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222200323) 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 in 3 ways as a sum of consecutive naturals, for example, 74690 + ... + 77607.

It is an arithmetic number, because the mean of its divisors is an integer number (55588770).

Almost surely, 2^222201323 is an apocalyptic number.

222201323 is a deficient number, since it is larger than the sum of its proper divisors (153757).

222201323 is a wasteful number, since it uses less digits than its factorization.

222201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153756.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222201323 is about 14906.4188522931. The cubic root of 222201323 is about 605.6878754786.

Adding to 222201323 its reverse (323102222), we get a palindrome (545303545).

The spelling of 222201323 in words is "two hundred twenty-two million, two hundred one thousand, three hundred twenty-three".