228860312 has 16 divisors (see below), whose sum is σ = 429914400. Its totient is φ = 114216480.

The previous prime is 228860297. The next prime is 228860363. The reversal of 228860312 is 213068822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22112 + ... + 30767.

It is an arithmetic number, because the mean of its divisors is an integer number (26869650).

Almost surely, 2^228860312 is an apocalyptic number.

It is an amenable number.

228860312 is a deficient number, since it is larger than the sum of its proper divisors (201054088).

228860312 is a wasteful number, since it uses less digits than its factorization.

228860312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53426 (or 53422 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 228860312 is about 15128.1298249321. The cubic root of 228860312 is about 611.6788937344.

The spelling of 228860312 in words is "two hundred twenty-eight million, eight hundred sixty thousand, three hundred twelve".