228350217 has 8 divisors (see below), whose sum is σ = 304708320. Its totient is φ = 152112800.

The previous prime is 228350209. The next prime is 228350249. The reversal of 228350217 is 712053822.

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 228350217 - 2³ = 228350209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228350257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25659 + ... + 33392.

It is an arithmetic number, because the mean of its divisors is an integer number (38088540).

Almost surely, 2^228350217 is an apocalyptic number.

It is an amenable number.

228350217 is a deficient number, since it is larger than the sum of its proper divisors (76358103).

228350217 is a wasteful number, since it uses less digits than its factorization.

228350217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60343.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 228350217 is about 15111.2612643684. The cubic root of 228350217 is about 611.2241091237.

The spelling of 228350217 in words is "two hundred twenty-eight million, three hundred fifty thousand, two hundred seventeen".