222102 has 24 divisors (see below), whose sum is σ = 500136. Its totient is φ = 73872.

The previous prime is 222073. The next prime is 222107. The reversal of 222102 is 201222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222107) by changing a digit.

222102 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, 258 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (20839).

2²²²¹⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250068).

222102 is an abundant number, since it is smaller than the sum of its proper divisors (278034).

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

222102 is an equidigital number, since it uses as much as digits as its factorization.

222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 222102 is about 471.2769886171. The cubic root of 222102 is about 60.5597615436.

Adding to 222102 its reverse (201222), we get a palindrome (423324).

It can be divided in two parts, 222 and 102, that added together give a square (324 = 18²).

The spelling of 222102 in words is "two hundred twenty-two thousand, one hundred two", and thus it is an iban number.