305845228 has 12 divisors (see below), whose sum is σ = 576400720. Its totient is φ = 141159312.

The previous prime is 305845187. The next prime is 305845229. The reversal of 305845228 is 822548503.

It is not an unprimeable number, because it can be changed into a prime (305845229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940768 + ... + 2940871.

Almost surely, 2^305845228 is an apocalyptic number.

It is an amenable number.

305845228 is a deficient number, since it is larger than the sum of its proper divisors (270555492).

305845228 is a wasteful number, since it uses less digits than its factorization.

305845228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881656 (or 5881654 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 305845228 is about 17488.4312618371. The cubic root of 305845228 is about 673.7527790992.

The spelling of 305845228 in words is "three hundred five million, eight hundred forty-five thousand, two hundred twenty-eight".