228804917 has 8 divisors (see below), whose sum is σ = 249946752. Its totient is φ = 207720000.

The previous prime is 228804911. The next prime is 228804923. The reversal of 228804917 is 719408822.

228804917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228804911) and next prime (228804923).

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 228804917 - 2⁸ = 228804661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228804911) 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, 5588 + ... + 22109.

It is an arithmetic number, because the mean of its divisors is an integer number (31243344).

Almost surely, 2^228804917 is an apocalyptic number.

It is an amenable number.

228804917 is a deficient number, since it is larger than the sum of its proper divisors (21141835).

228804917 is a wasteful number, since it uses less digits than its factorization.

228804917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28459.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 228804917 is about 15126.2988533217. The cubic root of 228804917 is about 611.6295380288.

The spelling of 228804917 in words is "two hundred twenty-eight million, eight hundred four thousand, nine hundred seventeen".