198430222 has 8 divisors (see below), whose sum is σ = 315153936. Its totient is φ = 93378912.

The previous prime is 198430213. The next prime is 198430229. The reversal of 198430222 is 222034891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198430229) 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, 2918058 + ... + 2918125.

It is an arithmetic number, because the mean of its divisors is an integer number (39394242).

Almost surely, 2^198430222 is an apocalyptic number.

198430222 is a deficient number, since it is larger than the sum of its proper divisors (116723714).

198430222 is a wasteful number, since it uses less digits than its factorization.

198430222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836202.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 198430222 is about 14086.5262573851. The cubic root of 198430222 is about 583.2695075383.

The spelling of 198430222 in words is "one hundred ninety-eight million, four hundred thirty thousand, two hundred twenty-two".