228684847 has 2 divisors, whose sum is σ = 228684848. Its totient is φ = 228684846.

The previous prime is 228684821. The next prime is 228684853. The reversal of 228684847 is 748486822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228684847 - 2¹⁵ = 228652079 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228684847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228684857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114342423 + 114342424.

It is an arithmetic number, because the mean of its divisors is an integer number (114342424).

Almost surely, 2^228684847 is an apocalyptic number.

228684847 is a deficient number, since it is larger than the sum of its proper divisors (1).

228684847 is an equidigital number, since it uses as much as digits as its factorization.

228684847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1376256, while the sum is 49.

The square root of 228684847 is about 15122.3294171235. The cubic root of 228684847 is about 611.5225309921.

The spelling of 228684847 in words is "two hundred twenty-eight million, six hundred eighty-four thousand, eight hundred forty-seven".