228851307 has 12 divisors (see below), whose sum is σ = 334278360. Its totient is φ = 150852768.

The previous prime is 228851281. The next prime is 228851317. The reversal of 228851307 is 703158822.

It is not a de Polignac number, because 228851307 - 2¹² = 228847211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228851317) 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 11 ways as a sum of consecutive naturals, for example, 142053 + ... + 143654.

It is an arithmetic number, because the mean of its divisors is an integer number (27856530).

Almost surely, 2^228851307 is an apocalyptic number.

228851307 is a deficient number, since it is larger than the sum of its proper divisors (105427053).

228851307 is a wasteful number, since it uses less digits than its factorization.

228851307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285802 (or 285799 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 228851307 is about 15127.8321976415. The cubic root of 228851307 is about 611.6708710230.

The spelling of 228851307 in words is "two hundred twenty-eight million, eight hundred fifty-one thousand, three hundred seven".