228141047 has 2 divisors, whose sum is σ = 228141048. Its totient is φ = 228141046.

The previous prime is 228141041. The next prime is 228141077. The reversal of 228141047 is 740141822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228141047 - 2⁸ = 228140791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228141041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114070523 + 114070524.

It is an arithmetic number, because the mean of its divisors is an integer number (114070524).

Almost surely, 2^228141047 is an apocalyptic number.

228141047 is a deficient number, since it is larger than the sum of its proper divisors (1).

228141047 is an equidigital number, since it uses as much as digits as its factorization.

228141047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 228141047 is about 15104.3386813194. The cubic root of 228141047 is about 611.0374239441.

Adding to 228141047 its reverse (740141822), we get a palindrome (968282869).

The spelling of 228141047 in words is "two hundred twenty-eight million, one hundred forty-one thousand, forty-seven".