228144548 has 12 divisors (see below), whose sum is σ = 399595980. Its totient is φ = 113974272.

The previous prime is 228144529. The next prime is 228144559. The reversal of 228144548 is 845441822.

228144548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56220004 + 171924544 = 7498^2 + 13112^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19133 + ... + 28676.

It is an arithmetic number, because the mean of its divisors is an integer number (33299665).

Almost surely, 2^228144548 is an apocalyptic number.

It is an amenable number.

228144548 is a deficient number, since it is larger than the sum of its proper divisors (171451432).

228144548 is a wasteful number, since it uses less digits than its factorization.

228144548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49006 (or 49004 counting only the distinct ones).

The product of its digits is 81920, while the sum is 38.

The square root of 228144548 is about 15104.4545747273. The cubic root of 228144548 is about 611.0405495414.

The spelling of 228144548 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred forty-eight".