228044165 has 8 divisors (see below), whose sum is σ = 277117440. Its totient is φ = 180125712.

The previous prime is 228044161. The next prime is 228044183. The reversal of 228044165 is 561440822.

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

It is a cyclic number.

It is not a de Polignac number, because 228044165 - 2² = 228044161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228044161) 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, 288269 + ... + 289058.

It is an arithmetic number, because the mean of its divisors is an integer number (34639680).

Almost surely, 2^228044165 is an apocalyptic number.

It is an amenable number.

228044165 is a deficient number, since it is larger than the sum of its proper divisors (49073275).

228044165 is an equidigital number, since it uses as much as digits as its factorization.

228044165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577411.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 228044165 is about 15101.1312490158. The cubic root of 228044165 is about 610.9509176502.

Adding to 228044165 its reverse (561440822), we get a palindrome (789484987).

The spelling of 228044165 in words is "two hundred twenty-eight million, forty-four thousand, one hundred sixty-five".