198785922 has 8 divisors (see below), whose sum is σ = 397571856. Its totient is φ = 66261972.

The previous prime is 198785921. The next prime is 198785933. The reversal of 198785922 is 229587891.

It is a sphenic number, since it is the product of 3 distinct primes.

198785922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (198785921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16565488 + ... + 16565499.

It is an arithmetic number, because the mean of its divisors is an integer number (49696482).

Almost surely, 2^198785922 is an apocalyptic number.

198785922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198785922 is a wasteful number, since it uses less digits than its factorization.

198785922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33130992.

The product of its digits is 725760, while the sum is 51.

The square root of 198785922 is about 14099.1461443592. The cubic root of 198785922 is about 583.6178165769.

The spelling of 198785922 in words is "one hundred ninety-eight million, seven hundred eighty-five thousand, nine hundred twenty-two".