228099 has 8 divisors (see below), whose sum is σ = 306880. Its totient is φ = 150696.

The previous prime is 228097. The next prime is 228103. The reversal of 228099 is 990822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228099 - 2¹ = 228097 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228099.

It is not an unprimeable number, because it can be changed into a prime (228097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (38360).

2²²⁸⁰⁹⁹ is an apocalyptic number.

228099 is a deficient number, since it is larger than the sum of its proper divisors (78781).

228099 is a wasteful number, since it uses less digits than its factorization.

228099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 228099 is about 477.5971105440. The cubic root of 228099 is about 61.0999883032.

The spelling of 228099 in words is "two hundred twenty-eight thousand, ninety-nine".