222342287 has 8 divisors (see below), whose sum is σ = 228547200. Its totient is φ = 216147744.

The previous prime is 222342271. The next prime is 222342317. The reversal of 222342287 is 782243222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222342287 - 2⁴ = 222342271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222342257) 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 7 ways as a sum of consecutive naturals, for example, 64514 + ... + 67872.

It is an arithmetic number, because the mean of its divisors is an integer number (28568400).

Almost surely, 2^222342287 is an apocalyptic number.

222342287 is a deficient number, since it is larger than the sum of its proper divisors (6204913).

222342287 is a wasteful number, since it uses less digits than its factorization.

222342287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185.

The product of its digits is 21504, while the sum is 32.

The square root of 222342287 is about 14911.1464012664. The cubic root of 222342287 is about 605.8159307273.

The spelling of 222342287 in words is "two hundred twenty-two million, three hundred forty-two thousand, two hundred eighty-seven".