228587198 has 32 divisors (see below), whose sum is σ = 404974080. Its totient is φ = 94741920.

The previous prime is 228587197. The next prime is 228587207. The reversal of 228587198 is 891785822.

It is a happy number.

228587198 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228587197) 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, 50513 + ... + 54851.

It is an arithmetic number, because the mean of its divisors is an integer number (12655440).

Almost surely, 2^228587198 is an apocalyptic number.

228587198 is a deficient number, since it is larger than the sum of its proper divisors (176386882).

228587198 is a wasteful number, since it uses less digits than its factorization.

228587198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472.

The product of its digits is 645120, while the sum is 50.

The square root of 228587198 is about 15119.1004362032. The cubic root of 228587198 is about 611.4354780517.

The spelling of 228587198 in words is "two hundred twenty-eight million, five hundred eighty-seven thousand, one hundred ninety-eight".