243222 has 16 divisors (see below), whose sum is σ = 556032. Its totient is φ = 69480.

The previous prime is 243209. The next prime is 243227. The reversal of 243222 is 222342.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 243222.

It is not an unprimeable number, because it can be changed into a prime (243227) by changing a digit.

243222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (34752).

2²⁴³²²² is an apocalyptic number.

243222 is an abundant number, since it is smaller than the sum of its proper divisors (312810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243222 is a wasteful number, since it uses less digits than its factorization.

243222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803.

The product of its digits is 192, while the sum is 15.

The square root of 243222 is about 493.1754251785. The cubic root of 243222 is about 62.4215121424.

Adding to 243222 its reverse (222342), we get a palindrome (465564).

It can be divided in two parts, 243 and 222, that added together give a triangular number (465 = T₃₀).

The spelling of 243222 in words is "two hundred forty-three thousand, two hundred twenty-two", and thus it is an iban number.