228273569 has 8 divisors (see below), whose sum is σ = 241928928. Its totient is φ = 214643520.

The previous prime is 228273557. The next prime is 228273589. The reversal of 228273569 is 965372822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228273569 is a prime.

It is a super-2 number, since 2×228273569² = 104217644607995522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228273589) 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, 14174 + ... + 25640.

It is an arithmetic number, because the mean of its divisors is an integer number (30241116).

Almost surely, 2^228273569 is an apocalyptic number.

It is an amenable number.

228273569 is a deficient number, since it is larger than the sum of its proper divisors (13655359).

228273569 is a wasteful number, since it uses less digits than its factorization.

228273569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655.

The product of its digits is 362880, while the sum is 44.

The square root of 228273569 is about 15108.7249296557. The cubic root of 228273569 is about 611.1557136726.

The spelling of 228273569 in words is "two hundred twenty-eight million, two hundred seventy-three thousand, five hundred sixty-nine".