243004228 has 24 divisors (see below), whose sum is σ = 429105600. Its totient is φ = 120408288.

The previous prime is 243004211. The next prime is 243004231. The reversal of 243004228 is 822400342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282463 + ... + 283321.

It is an arithmetic number, because the mean of its divisors is an integer number (17879400).

Almost surely, 2^243004228 is an apocalyptic number.

It is an amenable number.

243004228 is a deficient number, since it is larger than the sum of its proper divisors (186101372).

243004228 is a wasteful number, since it uses less digits than its factorization.

243004228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 243004228 is about 15588.5928806932. The cubic root of 243004228 is about 624.0287660692.

The spelling of 243004228 in words is "two hundred forty-three million, four thousand, two hundred twenty-eight".