198226 has 8 divisors (see below), whose sum is σ = 339840. Its totient is φ = 84948.
The previous prime is 198223. The next prime is 198241. The reversal of 198226 is 622891.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 198194 and 198203.
It is not an unprimeable number, because it can be changed into a prime (198221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7066 + ... + 7093.
It is an arithmetic number, because the mean of its divisors is an integer number (42480).
2198226 is an apocalyptic number.
198226 is a deficient number, since it is larger than the sum of its proper divisors (141614).
198226 is a wasteful number, since it uses less digits than its factorization.
198226 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14168.
The product of its digits is 1728, while the sum is 28.
The square root of 198226 is about 445.2257854168. The cubic root of 198226 is about 58.3069340863.
It can be divided in two parts, 198 and 226, that added together give a palindrome (424).
The spelling of 198226 in words is "one hundred ninety-eight thousand, two hundred twenty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •