228144717 has 12 divisors (see below), whose sum is σ = 340173184. Its totient is φ = 147189960.

The previous prime is 228144703. The next prime is 228144727. The reversal of 228144717 is 717441822.

It is not a de Polignac number, because 228144717 - 2⁸ = 228144461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144727) 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, 408583 + ... + 409140.

Almost surely, 2^228144717 is an apocalyptic number.

It is an amenable number.

228144717 is a deficient number, since it is larger than the sum of its proper divisors (112028467).

228144717 is a wasteful number, since it uses less digits than its factorization.

228144717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817760 (or 817757 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 228144717 is about 15104.4601691024. The cubic root of 228144717 is about 611.0407004191.

The spelling of 228144717 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seven hundred seventeen".