222609323 has 4 divisors (see below), whose sum is σ = 227786328. Its totient is φ = 217432320.

The previous prime is 222609269. The next prime is 222609329. The reversal of 222609323 is 323906222.

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 222609323 - 2⁶ = 222609259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222609329) 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, 2588438 + ... + 2588523.

It is an arithmetic number, because the mean of its divisors is an integer number (56946582).

Almost surely, 2^222609323 is an apocalyptic number.

222609323 is a deficient number, since it is larger than the sum of its proper divisors (5177005).

222609323 is an equidigital number, since it uses as much as digits as its factorization.

222609323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177004.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 222609323 is about 14920.0979554425. The cubic root of 222609323 is about 606.0583646546.

The spelling of 222609323 in words is "two hundred twenty-two million, six hundred nine thousand, three hundred twenty-three".