198244226 has 4 divisors (see below), whose sum is σ = 297366342. Its totient is φ = 99122112.

The previous prime is 198244219. The next prime is 198244243. The reversal of 198244226 is 622442891.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 165765625 + 32478601 = 12875^2 + 5699^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 198244226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49561055 + ... + 49561058.

Almost surely, 2^198244226 is an apocalyptic number.

198244226 is a deficient number, since it is larger than the sum of its proper divisors (99122116).

198244226 is an equidigital number, since it uses as much as digits as its factorization.

198244226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99122115.

The product of its digits is 55296, while the sum is 38.

The square root of 198244226 is about 14079.9227980838. The cubic root of 198244226 is about 583.0872105276.

The spelling of 198244226 in words is "one hundred ninety-eight million, two hundred forty-four thousand, two hundred twenty-six".