198422792 has 8 divisors (see below), whose sum is σ = 372042750. Its totient is φ = 99211392.

The previous prime is 198422789. The next prime is 198422803. The reversal of 198422792 is 297224891.

It can be written as a sum of positive squares in only one way, i.e., 198415396 + 7396 = 14086^2 + 86^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12401417 + ... + 12401432.

Almost surely, 2^198422792 is an apocalyptic number.

It is an amenable number.

198422792 is a deficient number, since it is larger than the sum of its proper divisors (173619958).

198422792 is a wasteful number, since it uses less digits than its factorization.

198422792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24802855 (or 24802851 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 198422792 is about 14086.2625277254. The cubic root of 198422792 is about 583.2622274870.

The spelling of 198422792 in words is "one hundred ninety-eight million, four hundred twenty-two thousand, seven hundred ninety-two".