199228 has 6 divisors (see below), whose sum is σ = 348656. Its totient is φ = 99612.
The previous prime is 199211. The next prime is 199247. The reversal of 199228 is 822991.
It is a self number, because there is not a number n which added to its sum of digits gives 199228.
It is a congruent number.
It is an unprimeable number.
199228 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 as a sum of consecutive naturals, namely, 24900 + ... + 24907.
2199228 is an apocalyptic number.
It is an amenable number.
199228 is a deficient number, since it is larger than the sum of its proper divisors (149428).
199228 is a wasteful number, since it uses less digits than its factorization.
199228 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49811 (or 49809 counting only the distinct ones).
The product of its digits is 2592, while the sum is 31.
The square root of 199228 is about 446.3496387363. The cubic root of 199228 is about 58.4050130181.
The spelling of 199228 in words is "one hundred ninety-nine thousand, two hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •