198147919022 has 16 divisors (see below), whose sum is σ = 310737617280. Its totient is φ = 94585186872.

The previous prime is 198147919003. The next prime is 198147919087. The reversal of 198147919022 is 220919741891.

It is a happy number.

It is a super-3 number, since 3×198147919022³ (a number of 35 digits) contains 333 as substring.

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, 4094072 + ... + 4142187.

It is an arithmetic number, because the mean of its divisors is an integer number (19421101080).

Almost surely, 2^198147919022 is an apocalyptic number.

198147919022 is a deficient number, since it is larger than the sum of its proper divisors (112589698258).

198147919022 is a wasteful number, since it uses less digits than its factorization.

198147919022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236807.

The product of its (nonzero) digits is 653184, while the sum is 53.

The spelling of 198147919022 in words is "one hundred ninety-eight billion, one hundred forty-seven million, nine hundred nineteen thousand, twenty-two".