222282 has 24 divisors (see below), whose sum is σ = 492804. Its totient is φ = 72384.

The previous prime is 222269. The next prime is 222289. The reversal of 222282 is 282222.

It can be written as a sum of positive squares in 2 ways, for example, as 221841 + 441 = 471^2 + 21^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (222289) by changing a digit.

222282 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 11 ways as a sum of consecutive naturals, for example, 838 + ... + 1070.

2²²²²⁸² is an apocalyptic number.

222282 is an abundant number, since it is smaller than the sum of its proper divisors (270522).

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

222282 is a wasteful number, since it uses less digits than its factorization.

222282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 291 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 222282 is about 471.4679204357. The cubic root of 222282 is about 60.5761171124.

It can be divided in two parts, 2222 and 82, that added together give a square (2304 = 48²).

The spelling of 222282 in words is "two hundred twenty-two thousand, two hundred eighty-two".