228360917 has 8 divisors (see below), whose sum is σ = 236301120. Its totient is φ = 220540320.

The previous prime is 228360887. The next prime is 228360919. The reversal of 228360917 is 719063822.

228360917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 228360917 - 2¹⁶ = 228295381 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 (228360919) 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, 26009 + ... + 33662.

It is an arithmetic number, because the mean of its divisors is an integer number (29537640).

Almost surely, 2^228360917 is an apocalyptic number.

It is an amenable number.

228360917 is a deficient number, since it is larger than the sum of its proper divisors (7940203).

228360917 is an equidigital number, since it uses as much as digits as its factorization.

228360917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59803.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 228360917 is about 15111.6153008208. The cubic root of 228360917 is about 611.2336558569.

The spelling of 228360917 in words is "two hundred twenty-eight million, three hundred sixty thousand, nine hundred seventeen".