228852289 has 4 divisors (see below), whose sum is σ = 235037524. Its totient is φ = 222667056.

The previous prime is 228852257. The next prime is 228852293. The reversal of 228852289 is 982258822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 197121600 + 31730689 = 14040^2 + 5633^2 .

It is a cyclic number.

It is not a de Polignac number, because 228852289 - 2⁵ = 228852257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228852389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3092562 + ... + 3092635.

It is an arithmetic number, because the mean of its divisors is an integer number (58759381).

Almost surely, 2^228852289 is an apocalyptic number.

It is an amenable number.

228852289 is a deficient number, since it is larger than the sum of its proper divisors (6185235).

228852289 is an equidigital number, since it uses as much as digits as its factorization.

228852289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185234.

The product of its digits is 368640, while the sum is 46.

The square root of 228852289 is about 15127.8646543390. The cubic root of 228852289 is about 611.6717459141.

The spelling of 228852289 in words is "two hundred twenty-eight million, eight hundred fifty-two thousand, two hundred eighty-nine".