228027273144 has 32 divisors (see below), whose sum is σ = 621892563840. Its totient is φ = 69099173600.

The previous prime is 228027273143. The next prime is 228027273157. The reversal of 228027273144 is 441372720822.

228027273144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 228027273096 and 228027273105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228027273143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431869572 + ... + 431870099.

It is an arithmetic number, because the mean of its divisors is an integer number (19434142620).

Almost surely, 2^228027273144 is an apocalyptic number.

228027273144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228027273144 is an abundant number, since it is smaller than the sum of its proper divisors (393865290696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228027273144 is a wasteful number, since it uses less digits than its factorization.

228027273144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863739691 (or 863739687 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

Adding to 228027273144 its reverse (441372720822), we get a palindrome (669399993966).

The spelling of 228027273144 in words is "two hundred twenty-eight billion, twenty-seven million, two hundred seventy-three thousand, one hundred forty-four".