228782824 has 8 divisors (see below), whose sum is σ = 428967810. Its totient is φ = 114391408.

The previous prime is 228782797. The next prime is 228782843. The reversal of 228782824 is 428287822.

It can be written as a sum of positive squares in only one way, i.e., 172081924 + 56700900 = 13118^2 + 7530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14298919 + ... + 14298934.

Almost surely, 2^228782824 is an apocalyptic number.

It is an amenable number.

228782824 is a deficient number, since it is larger than the sum of its proper divisors (200184986).

228782824 is a wasteful number, since it uses less digits than its factorization.

228782824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28597859 (or 28597855 counting only the distinct ones).

The product of its digits is 229376, while the sum is 43.

The square root of 228782824 is about 15125.5685512975. The cubic root of 228782824 is about 611.6098514380.

The spelling of 228782824 in words is "two hundred twenty-eight million, seven hundred eighty-two thousand, eight hundred twenty-four".