228032384 has 16 divisors (see below), whose sum is σ = 454283520. Its totient is φ = 114016128.

The previous prime is 228032381. The next prime is 228032401. The reversal of 228032384 is 483230822.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 228032384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228032381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890624 + ... + 890879.

It is an arithmetic number, because the mean of its divisors is an integer number (28392720).

Almost surely, 2^228032384 is an apocalyptic number.

It is an amenable number.

228032384 is a deficient number, since it is larger than the sum of its proper divisors (226251136).

228032384 is an equidigital number, since it uses as much as digits as its factorization.

228032384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781517 (or 1781505 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 228032384 is about 15100.7411738630. The cubic root of 228032384 is about 610.9403966813.

The spelling of 228032384 in words is "two hundred twenty-eight million, thirty-two thousand, three hundred eighty-four".