223428198 has 64 divisors (see below), whose sum is σ = 522547200. Its totient is φ = 62373792.

The previous prime is 223428197. The next prime is 223428203. The reversal of 223428198 is 891824322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223428193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372703 + ... + 373301.

It is an arithmetic number, because the mean of its divisors is an integer number (8164800).

Almost surely, 2^223428198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223428198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261273600).

223428198 is an abundant number, since it is smaller than the sum of its proper divisors (299119002).

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

223428198 is a wasteful number, since it uses less digits than its factorization.

223428198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its digits is 55296, while the sum is 39.

The square root of 223428198 is about 14947.5147767112. The cubic root of 223428198 is about 606.8005898573.

The spelling of 223428198 in words is "two hundred twenty-three million, four hundred twenty-eight thousand, one hundred ninety-eight".