228008297 has 12 divisors (see below), whose sum is σ = 251441136. Its totient is φ = 205050240.

The previous prime is 228008281. The next prime is 228008309. The reversal of 228008297 is 792800822.

228008297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228008297 - 2⁴ = 228008281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228008297.

It is not an unprimeable number, because it can be changed into a prime (228008197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102398 + ... + 104600.

It is an arithmetic number, because the mean of its divisors is an integer number (20953428).

Almost surely, 2^228008297 is an apocalyptic number.

It is an amenable number.

228008297 is a deficient number, since it is larger than the sum of its proper divisors (23432839).

228008297 is an equidigital number, since it uses as much as digits as its factorization.

228008297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2311 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 228008297 is about 15099.9436091662. The cubic root of 228008297 is about 610.9188847667.

The spelling of 228008297 in words is "two hundred twenty-eight million, eight thousand, two hundred ninety-seven".