228146650 has 12 divisors (see below), whose sum is σ = 424352862. Its totient is φ = 91258640.

The previous prime is 228146629. The next prime is 228146657. The reversal of 228146650 is 56641822.

It can be written as a sum of positive squares in 3 ways, for example, as 151216209 + 76930441 = 12297^2 + 8771^2 .

It is not an unprimeable number, because it can be changed into a prime (228146657) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2281417 + ... + 2281516.

Almost surely, 2^228146650 is an apocalyptic number.

228146650 is a deficient number, since it is larger than the sum of its proper divisors (196206212).

228146650 is a wasteful number, since it uses less digits than its factorization.

228146650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562945 (or 4562940 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 228146650 is about 15104.5241566889. The cubic root of 228146650 is about 611.0424261342.

The spelling of 228146650 in words is "two hundred twenty-eight million, one hundred forty-six thousand, six hundred fifty".