198222 has 8 divisors (see below), whose sum is σ = 396456. Its totient is φ = 66072.

The previous prime is 198221. The next prime is 198223. The reversal of 198222 is 222891.

It is an interprime number because it is at equal distance from previous prime (198221) and next prime (198223).

It is a sphenic number, since it is the product of 3 distinct primes.

198222 is an admirable number.

It is a super-2 number, since 2×198222² = 78583922568, which contains 22 as substring.

198222 is a modest number, since divided by 222 gives 198 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 198192 and 198201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16513 + ... + 16524.

It is an arithmetic number, because the mean of its divisors is an integer number (49557).

2¹⁹⁸²²² is an apocalyptic number.

198222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198222 is a wasteful number, since it uses less digits than its factorization.

198222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33042.

The product of its digits is 576, while the sum is 24.

The square root of 198222 is about 445.2212932913. The cubic root of 198222 is about 58.3065418921.

It can be divided in two parts, 198 and 222, that multiplied together give a triangular number (43956 = T₂₉₆).

The spelling of 198222 in words is "one hundred ninety-eight thousand, two hundred twenty-two".