198377222 has 16 divisors (see below), whose sum is σ = 301952112. Its totient is φ = 97735680.

The previous prime is 198377219. The next prime is 198377261. The reversal of 198377222 is 222773891.

It is a self number, because there is not a number n which added to its sum of digits gives 198377222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44633 + ... + 48875.

It is an arithmetic number, because the mean of its divisors is an integer number (18872007).

Almost surely, 2^198377222 is an apocalyptic number.

198377222 is a deficient number, since it is larger than the sum of its proper divisors (103574890).

198377222 is a wasteful number, since it uses less digits than its factorization.

198377222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583.

The product of its digits is 84672, while the sum is 41.

The square root of 198377222 is about 14084.6449014521. The cubic root of 198377222 is about 583.2175731836.

The spelling of 198377222 in words is "one hundred ninety-eight million, three hundred seventy-seven thousand, two hundred twenty-two".