228307199 has 8 divisors (see below), whose sum is σ = 232848000. Its totient is φ = 223775136.

The previous prime is 228307181. The next prime is 228307213. The reversal of 228307199 is 991703822.

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 228307199 - 2⁸ = 228306943 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 (228307129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81677 + ... + 84425.

It is an arithmetic number, because the mean of its divisors is an integer number (29106000).

Almost surely, 2^228307199 is an apocalyptic number.

228307199 is a deficient number, since it is larger than the sum of its proper divisors (4540801).

228307199 is a wasteful number, since it uses less digits than its factorization.

228307199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 228307199 is about 15109.8378217637. The cubic root of 228307199 is about 611.1857246773.

The spelling of 228307199 in words is "two hundred twenty-eight million, three hundred seven thousand, one hundred ninety-nine".