198000226 has 16 divisors (see below), whose sum is σ = 307798200. Its totient is φ = 95413248.

The previous prime is 198000221. The next prime is 198000227. The reversal of 198000226 is 622000891.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 73119601 + 124880625 = 8551^2 + 11175^2 .

It is a junction number, because it is equal to n+sod(n) for n = 198000194 and 198000203.

It is not an unprimeable number, because it can be changed into a prime (198000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32770 + ... + 38338.

Almost surely, 2^198000226 is an apocalyptic number.

198000226 is a deficient number, since it is larger than the sum of its proper divisors (109797974).

198000226 is a wasteful number, since it uses less digits than its factorization.

198000226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 198000226 is about 14071.2553100283. The cubic root of 198000226 is about 582.8478900819.

The spelling of 198000226 in words is "one hundred ninety-eight million, two hundred twenty-six", and thus it is an aban number.