228263184 has 50 divisors (see below), whose sum is σ = 660663630. Its totient is φ = 76087296.

The previous prime is 228263143. The next prime is 228263237. The reversal of 228263184 is 481362822.

It can be written as a sum of positive squares in only one way, i.e., 207360000 + 20903184 = 14400^2 + 4572^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 86769 + ... + 89360.

Almost surely, 2^228263184 is an apocalyptic number.

228263184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228263184 is an abundant number, since it is smaller than the sum of its proper divisors (432400446).

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

228263184 is a wasteful number, since it uses less digits than its factorization.

228263184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176149 (or 176134 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 228263184 is about 15108.3812501538. The cubic root of 228263184 is about 611.1464456288.

The spelling of 228263184 in words is "two hundred twenty-eight million, two hundred sixty-three thousand, one hundred eighty-four".