220198 has 8 divisors (see below), whose sum is σ = 360360. Its totient is φ = 100080.

The previous prime is 220189. The next prime is 220217. The reversal of 220198 is 891022.

220198 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 Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10009 = 220198 / (2 + 2 + 0 + 1 + 9 + 8).

220198 is a modest number, since divided by 198 gives 22 as remainder.

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, 4983 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (45045).

2²²⁰¹⁹⁸ is an apocalyptic number.

220198 is a deficient number, since it is larger than the sum of its proper divisors (140162).

220198 is a wasteful number, since it uses less digits than its factorization.

220198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 220198 is about 469.2525972224. The cubic root of 220198 is about 60.3862123698.

The spelling of 220198 in words is "two hundred twenty thousand, one hundred ninety-eight".