228144544 has 48 divisors (see below), whose sum is σ = 473231808. Its totient is φ = 108055552.

The previous prime is 228144529. The next prime is 228144559. The reversal of 228144544 is 445441822.

It is an interprime number because it is at equal distance from previous prime (228144529) and next prime (228144559).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77304 + ... + 80200.

It is an arithmetic number, because the mean of its divisors is an integer number (9858996).

Almost surely, 2^228144544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228144544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236615904).

228144544 is an abundant number, since it is smaller than the sum of its proper divisors (245087264).

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

228144544 is a wasteful number, since it uses less digits than its factorization.

228144544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037 (or 3029 counting only the distinct ones).

The product of its digits is 40960, while the sum is 34.

The square root of 228144544 is about 15104.4544423160. The cubic root of 228144544 is about 611.0405459703.

The spelling of 228144544 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred forty-four".