220338198 has 32 divisors (see below), whose sum is σ = 491272320. Its totient is φ = 73201320.

The previous prime is 220338197. The next prime is 220338203. The reversal of 220338198 is 891833022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220338197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9933 + ... + 23223.

It is an arithmetic number, because the mean of its divisors is an integer number (15352260).

Almost surely, 2^220338198 is an apocalyptic number.

220338198 is an abundant number, since it is smaller than the sum of its proper divisors (270934122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220338198 is a wasteful number, since it uses less digits than its factorization.

220338198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13609 (or 13603 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 220338198 is about 14843.7932483580. The cubic root of 220338198 is about 603.9902542907.

It can be divided in two parts, 2203 and 38198, that added together give a square (40401 = 201²).

The spelling of 220338198 in words is "two hundred twenty million, three hundred thirty-eight thousand, one hundred ninety-eight".