228598 has 4 divisors (see below), whose sum is σ = 342900. Its totient is φ = 114298.

The previous prime is 228593. The next prime is 228601. The reversal of 228598 is 895822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228593) by changing a digit.

228598 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57148 + ... + 57151.

It is an arithmetic number, because the mean of its divisors is an integer number (85725).

2²²⁸⁵⁹⁸ is an apocalyptic number.

228598 is a deficient number, since it is larger than the sum of its proper divisors (114302).

228598 is a wasteful number, since it uses less digits than its factorization.

228598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114301.

The product of its digits is 11520, while the sum is 34.

The square root of 228598 is about 478.1192319914. The cubic root of 228598 is about 61.1445109128.

The spelling of 228598 in words is "two hundred twenty-eight thousand, five hundred ninety-eight".