228127144841 has 4 divisors (see below), whose sum is σ = 228128334612. Its totient is φ = 228125955072.

The previous prime is 228127144831. The next prime is 228127144913. The reversal of 228127144841 is 148441721822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 148441721822 = 2 ⋅74220860911.

It can be written as a sum of positive squares in 2 ways, for example, as 107078818441 + 121048326400 = 327229^2 + 347920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228127144841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228127144792 and 228127144801.

It is not an unprimeable number, because it can be changed into a prime (228127144831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234500 + ... + 715013.

It is an arithmetic number, because the mean of its divisors is an integer number (57032083653).

Almost surely, 2^228127144841 is an apocalyptic number.

It is an amenable number.

228127144841 is a deficient number, since it is larger than the sum of its proper divisors (1189771).

228127144841 is an equidigital number, since it uses as much as digits as its factorization.

228127144841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189770.

The product of its digits is 229376, while the sum is 44.

The spelling of 228127144841 in words is "two hundred twenty-eight billion, one hundred twenty-seven million, one hundred forty-four thousand, eight hundred forty-one".