198220050 has 72 divisors (see below), whose sum is σ = 608639616. Its totient is φ = 45306720.

The previous prime is 198220037. The next prime is 198220069. The reversal of 198220050 is 50022891.

It is a junction number, because it is equal to n+sod(n) for n = 198219996 and 198220023.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28314 + ... + 34613.

It is an arithmetic number, because the mean of its divisors is an integer number (8453328).

Almost surely, 2^198220050 is an apocalyptic number.

198220050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198220050 is an abundant number, since it is smaller than the sum of its proper divisors (410419566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198220050 is a wasteful number, since it uses less digits than its factorization.

198220050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62952 (or 62944 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 198220050 is about 14079.0642444731. The cubic root of 198220050 is about 583.0635069545.

The spelling of 198220050 in words is "one hundred ninety-eight million, two hundred twenty thousand, fifty".