222132 has 24 divisors (see below), whose sum is σ = 526176. Its totient is φ = 72928.

The previous prime is 222127. The next prime is 222137. The reversal of 222132 is 231222.

It is an interprime number because it is at equal distance from previous prime (222127) and next prime (222137).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222137) by changing a digit.

222132 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, 1198 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (21924).

2²²²¹³² is an apocalyptic number.

It is an amenable number.

222132 is an abundant number, since it is smaller than the sum of its proper divisors (304044).

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

222132 is a wasteful number, since it uses less digits than its factorization.

222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 285 counting only the distinct ones).

The product of its digits is 48, while the sum is 12.

The square root of 222132 is about 471.3088159583. The cubic root of 222132 is about 60.5624880852.

Adding to 222132 its reverse (231222), we get a palindrome (453354).

The spelling of 222132 in words is "two hundred twenty-two thousand, one hundred thirty-two".