228584047 has 2 divisors, whose sum is σ = 228584048. Its totient is φ = 228584046.

The previous prime is 228584021. The next prime is 228584053. The reversal of 228584047 is 740485822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228584047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228584747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114292023 + 114292024.

It is an arithmetic number, because the mean of its divisors is an integer number (114292024).

Almost surely, 2^228584047 is an apocalyptic number.

228584047 is a deficient number, since it is larger than the sum of its proper divisors (1).

228584047 is an equidigital number, since it uses as much as digits as its factorization.

228584047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 228584047 is about 15118.9962299089. The cubic root of 228584047 is about 611.4326685592.

The spelling of 228584047 in words is "two hundred twenty-eight million, five hundred eighty-four thousand, forty-seven".