222347289 has 16 divisors (see below), whose sum is σ = 300670272. Its totient is φ = 146135808.

The previous prime is 222347261. The next prime is 222347299. The reversal of 222347289 is 982743222.

It is not a de Polignac number, because 222347289 - 2⁷ = 222347161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222347219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232837 + ... + 233789.

It is an arithmetic number, because the mean of its divisors is an integer number (18791892).

Almost surely, 2^222347289 is an apocalyptic number.

It is an amenable number.

222347289 is a deficient number, since it is larger than the sum of its proper divisors (78322983).

222347289 is an equidigital number, since it uses as much as digits as its factorization.

222347289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its digits is 96768, while the sum is 39.

The square root of 222347289 is about 14911.3141271988. The cubic root of 222347289 is about 605.8204736756.

The spelling of 222347289 in words is "two hundred twenty-two million, three hundred forty-seven thousand, two hundred eighty-nine".