228144173 has 2 divisors, whose sum is σ = 228144174. Its totient is φ = 228144172.

The previous prime is 228144151. The next prime is 228144281. The reversal of 228144173 is 371441822.

228144173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210192004 + 17952169 = 14498^2 + 4237^2 .

It is a cyclic number.

It is not a de Polignac number, because 228144173 - 2¹⁴ = 228127789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228144473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072086 + 114072087.

It is an arithmetic number, because the mean of its divisors is an integer number (114072087).

Almost surely, 2^228144173 is an apocalyptic number.

It is an amenable number.

228144173 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144173 is an equidigital number, since it uses as much as digits as its factorization.

228144173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 228144173 is about 15104.4421611657. The cubic root of 228144173 is about 611.0402147531.

Adding to 228144173 its reverse (371441822), we get a palindrome (599585995).

The spelling of 228144173 in words is "two hundred twenty-eight million, one hundred forty-four thousand, one hundred seventy-three".