228544449 has 32 divisors (see below), whose sum is σ = 359546880. Its totient is φ = 126401472.

The previous prime is 228544423. The next prime is 228544453. The reversal of 228544449 is 944445822.

It is not a de Polignac number, because 228544449 - 2⁵ = 228544417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228544449.

It is not an unprimeable number, because it can be changed into a prime (228544469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172612 + ... + 173930.

It is an arithmetic number, because the mean of its divisors is an integer number (11235840).

Almost surely, 2^228544449 is an apocalyptic number.

It is an amenable number.

228544449 is a deficient number, since it is larger than the sum of its proper divisors (131002431).

228544449 is a wasteful number, since it uses less digits than its factorization.

228544449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its digits is 368640, while the sum is 42.

The square root of 228544449 is about 15117.6866285818. The cubic root of 228544449 is about 611.3973600161.

The spelling of 228544449 in words is "two hundred twenty-eight million, five hundred forty-four thousand, four hundred forty-nine".