222443 has 8 divisors (see below), whose sum is σ = 243936. Its totient is φ = 201600.

The previous prime is 222437. The next prime is 222461. The reversal of 222443 is 344222.

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 222443 - 2⁶ = 222379 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2¹¹ + 4⁶ + 2¹⁷ + 4⁸ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (30492).

2²²²⁴⁴³ is an apocalyptic number.

222443 is a deficient number, since it is larger than the sum of its proper divisors (21493).

222443 is a wasteful number, since it uses less digits than its factorization.

222443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its digits is 384, while the sum is 17.

The square root of 222443 is about 471.6386328536. The cubic root of 222443 is about 60.5907387809.

Adding to 222443 its reverse (344222), we get a palindrome (566665).

It can be divided in two parts, 222 and 443, that multiplied together give a triangular number (98346 = T₄₄₃).

The spelling of 222443 in words is "two hundred twenty-two thousand, four hundred forty-three", and thus it is an iban number.