228848161 has 2 divisors, whose sum is σ = 228848162. Its totient is φ = 228848160.

The previous prime is 228848129. The next prime is 228848167. The reversal of 228848161 is 161848822.

228848161 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 can be written as a sum of positive squares in only one way, i.e., 205033761 + 23814400 = 14319^2 + 4880^2 .

It is a cyclic number.

It is not a de Polignac number, because 228848161 - 2⁵ = 228848129 is a prime.

It is not a weakly prime, because it can be changed into another prime (228848167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114424080 + 114424081.

It is an arithmetic number, because the mean of its divisors is an integer number (114424081).

Almost surely, 2^228848161 is an apocalyptic number.

It is an amenable number.

228848161 is a deficient number, since it is larger than the sum of its proper divisors (1).

228848161 is an equidigital number, since it uses as much as digits as its factorization.

228848161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 40.

The square root of 228848161 is about 15127.7282167548. The cubic root of 228848161 is about 611.6680681472.

The spelling of 228848161 in words is "two hundred twenty-eight million, eight hundred forty-eight thousand, one hundred sixty-one".