228730307 has 8 divisors (see below), whose sum is σ = 254271360. Its totient is φ = 204324480.

The previous prime is 228730277. The next prime is 228730309. The reversal of 228730307 is 703037822.

It is a happy number.

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 228730307 - 2¹⁶ = 228664771 is a prime.

It is a super-3 number, since 3×228730307³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228730309) 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, 283382 + ... + 284187.

It is an arithmetic number, because the mean of its divisors is an integer number (31783920).

Almost surely, 2^228730307 is an apocalyptic number.

228730307 is a deficient number, since it is larger than the sum of its proper divisors (25541053).

228730307 is a wasteful number, since it uses less digits than its factorization.

228730307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567613.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 228730307 is about 15123.8324177439. The cubic root of 228730307 is about 611.5630495962.

The spelling of 228730307 in words is "two hundred twenty-eight million, seven hundred thirty thousand, three hundred seven".