228328847 has 2 divisors, whose sum is σ = 228328848. Its totient is φ = 228328846.

The previous prime is 228328787. The next prime is 228328873. The reversal of 228328847 is 748823822.

228328847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228328847 - 2¹⁰ = 228327823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228328798 and 228328807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228324847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114164423 + 114164424.

It is an arithmetic number, because the mean of its divisors is an integer number (114164424).

Almost surely, 2^228328847 is an apocalyptic number.

228328847 is a deficient number, since it is larger than the sum of its proper divisors (1).

228328847 is an equidigital number, since it uses as much as digits as its factorization.

228328847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 344064, while the sum is 44.

The square root of 228328847 is about 15110.5541592623. The cubic root of 228328847 is about 611.2050415311.

The spelling of 228328847 in words is "two hundred twenty-eight million, three hundred twenty-eight thousand, eight hundred forty-seven".