228309794 has 8 divisors (see below), whose sum is σ = 343960860. Its totient is φ = 113656176.

The previous prime is 228309791. The next prime is 228309811. The reversal of 228309794 is 497903822.

228309794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198443569 + 29866225 = 14087^2 + 5465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (228309791) 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, 248789 + ... + 249704.

Almost surely, 2^228309794 is an apocalyptic number.

228309794 is a deficient number, since it is larger than the sum of its proper divisors (115651066).

228309794 is a wasteful number, since it uses less digits than its factorization.

228309794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498724.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 228309794 is about 15109.9236927259. The cubic root of 228309794 is about 611.1880403013.

The spelling of 228309794 in words is "two hundred twenty-eight million, three hundred nine thousand, seven hundred ninety-four".