198222159 has 8 divisors (see below), whose sum is σ = 279843120. Its totient is φ = 124374656.

The previous prime is 198222151. The next prime is 198222179. The reversal of 198222159 is 951222891.

198222159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 198222159 - 2³ = 198222151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198222151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1943304 + ... + 1943405.

It is an arithmetic number, because the mean of its divisors is an integer number (34980390).

Almost surely, 2^198222159 is an apocalyptic number.

198222159 is a deficient number, since it is larger than the sum of its proper divisors (81620961).

198222159 is a wasteful number, since it uses less digits than its factorization.

198222159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886729.

The product of its digits is 25920, while the sum is 39.

The square root of 198222159 is about 14079.1391427175. The cubic root of 198222159 is about 583.0655748190.

The spelling of 198222159 in words is "one hundred ninety-eight million, two hundred twenty-two thousand, one hundred fifty-nine".