228028244 has 12 divisors (see below), whose sum is σ = 400310484. Its totient is φ = 113653824.

The previous prime is 228028243. The next prime is 228028261. The reversal of 228028244 is 442820822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70224400 + 157803844 = 8380^2 + 12562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228028244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228028243) 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 3 ways as a sum of consecutive naturals, for example, 88649 + ... + 91184.

It is an arithmetic number, because the mean of its divisors is an integer number (33359207).

Almost surely, 2^228028244 is an apocalyptic number.

It is an amenable number.

228028244 is a deficient number, since it is larger than the sum of its proper divisors (172282240).

228028244 is a wasteful number, since it uses less digits than its factorization.

228028244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180154 (or 180152 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 228028244 is about 15100.6040938765. The cubic root of 228028244 is about 610.9366993869.

The spelling of 228028244 in words is "two hundred twenty-eight million, twenty-eight thousand, two hundred forty-four".