222843 has 8 divisors (see below), whose sum is σ = 302400. Its totient is φ = 145928.

The previous prime is 222841. The next prime is 222857. The reversal of 222843 is 348222.

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 222843 - 2¹ = 222841 is a prime.

It is a super-3 number, since 3×222843³ = 33198483381933321, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 2¹³ + 8³ + 2¹⁵ + 4⁶ + 3¹¹ .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (222841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2²²²⁸⁴³ is an apocalyptic number.

222843 is a deficient number, since it is larger than the sum of its proper divisors (79557).

222843 is a wasteful number, since it uses less digits than its factorization.

222843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 768, while the sum is 21.

The square root of 222843 is about 472.0624958626. The cubic root of 222843 is about 60.6270353942.

The spelling of 222843 in words is "two hundred twenty-two thousand, eight hundred forty-three".