198144022 has 8 divisors (see below), whose sum is σ = 300159072. Its totient is φ = 98091000.

The previous prime is 198144017. The next prime is 198144041. The reversal of 198144022 is 220441891.

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

It is a super-3 number, since 3×198144022³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490254 + ... + 490657.

It is an arithmetic number, because the mean of its divisors is an integer number (37519884).

Almost surely, 2^198144022 is an apocalyptic number.

198144022 is a deficient number, since it is larger than the sum of its proper divisors (102015050).

198144022 is a wasteful number, since it uses less digits than its factorization.

198144022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981014.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 198144022 is about 14076.3639481224. The cubic root of 198144022 is about 582.9889520662.

The spelling of 198144022 in words is "one hundred ninety-eight million, one hundred forty-four thousand, twenty-two".