222174 has 12 divisors (see below), whose sum is σ = 481416. Its totient is φ = 74052.

The previous prime is 222163. The next prime is 222193. The reversal of 222174 is 471222.

It is a super-2 number, since 2×222174² = 98722572552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12343 = 222174 / (2 + 2 + 2 + 1 + 7 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

222174 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 5 ways as a sum of consecutive naturals, for example, 6154 + ... + 6189.

It is an arithmetic number, because the mean of its divisors is an integer number (40118).

2²²²¹⁷⁴ is an apocalyptic number.

222174 is an abundant number, since it is smaller than the sum of its proper divisors (259242).

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

222174 is a wasteful number, since it uses less digits than its factorization.

222174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12351 (or 12348 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 222174 is about 471.3533706255. The cubic root of 222174 is about 60.5663048311.

Adding to 222174 its reverse (471222), we get a palindrome (693396).

The spelling of 222174 in words is "two hundred twenty-two thousand, one hundred seventy-four", and thus it is an iban number.