222243 has 16 divisors (see below), whose sum is σ = 357120. Its totient is φ = 120096.

The previous prime is 222199. The next prime is 222247. The reversal of 222243 is 342222.

It is not a de Polignac number, because 222243 - 2⁸ = 221987 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2⁵ + 2¹³ + 2¹⁵ + 4⁶ + 3¹¹ .

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (22320).

2²²²²⁴³ is an apocalyptic number.

222243 is a deficient number, since it is larger than the sum of its proper divisors (134877).

222243 is a wasteful number, since it uses less digits than its factorization.

222243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586.

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

The square root of 222243 is about 471.4265584373. The cubic root of 222243 is about 60.5725741553.

Adding to 222243 its reverse (342222), we get a palindrome (564465).

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

The spelling of 222243 in words is "two hundred twenty-two thousand, two hundred forty-three", and thus it is an iban number.