228486648077 has 2 divisors, whose sum is σ = 228486648078. Its totient is φ = 228486648076.

The previous prime is 228486647981. The next prime is 228486648109. The reversal of 228486648077 is 770846684822.

228486648077 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., 226603608841 + 1883039236 = 476029^2 + 43394^2 .

It is a cyclic number.

It is not a de Polignac number, because 228486648077 - 2³⁶ = 159767171341 is a prime.

It is a super-2 number, since 2×228486648077² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228486648877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114243324038 + 114243324039.

It is an arithmetic number, because the mean of its divisors is an integer number (114243324039).

Almost surely, 2^228486648077 is an apocalyptic number.

It is an amenable number.

228486648077 is a deficient number, since it is larger than the sum of its proper divisors (1).

228486648077 is an equidigital number, since it uses as much as digits as its factorization.

228486648077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57802752, while the sum is 62.

The spelling of 228486648077 in words is "two hundred twenty-eight billion, four hundred eighty-six million, six hundred forty-eight thousand, seventy-seven".