224789328 has 30 divisors (see below), whose sum is σ = 629098314. Its totient is φ = 74929728.

The previous prime is 224789311. The next prime is 224789329. The reversal of 224789328 is 823987422.

224789328 is a `hidden beast` number, since 2 + 247 + 89 + 328 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213978384 + 10810944 = 14628^2 + 3288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224789329) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 780375 + ... + 780662.

Almost surely, 2^224789328 is an apocalyptic number.

It is an amenable number.

224789328 is an abundant number, since it is smaller than the sum of its proper divisors (404308986).

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

224789328 is a wasteful number, since it uses less digits than its factorization.

224789328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561051 (or 1561042 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 224789328 is about 14992.9759554266. The cubic root of 224789328 is about 608.0303107003.

The spelling of 224789328 in words is "two hundred twenty-four million, seven hundred eighty-nine thousand, three hundred twenty-eight".