222288443 has 8 divisors (see below), whose sum is σ = 239520288. Its totient is φ = 205075584.

The previous prime is 222288439. The next prime is 222288449. The reversal of 222288443 is 344882222.

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 222288443 - 2² = 222288439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222288449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27971 + ... + 35027.

It is an arithmetic number, because the mean of its divisors is an integer number (29940036).

Almost surely, 2^222288443 is an apocalyptic number.

222288443 is a deficient number, since it is larger than the sum of its proper divisors (17231845).

222288443 is a wasteful number, since it uses less digits than its factorization.

222288443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9493.

The product of its digits is 49152, while the sum is 35.

The square root of 222288443 is about 14909.3407969635. The cubic root of 222288443 is about 605.7670238715.

The spelling of 222288443 in words is "two hundred twenty-two million, two hundred eighty-eight thousand, four hundred forty-three".