224728472 has 16 divisors (see below), whose sum is σ = 421526400. Its totient is φ = 112321440.

The previous prime is 224728459. The next prime is 224728477. The reversal of 224728472 is 274827422.

It is a super-2 number, since 2×224728472² = 101005772254909568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224728477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33929 + ... + 40007.

It is an arithmetic number, because the mean of its divisors is an integer number (26345400).

Almost surely, 2^224728472 is an apocalyptic number.

It is an amenable number.

224728472 is a deficient number, since it is larger than the sum of its proper divisors (196797928).

224728472 is a wasteful number, since it uses less digits than its factorization.

224728472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10706 (or 10702 counting only the distinct ones).

The product of its digits is 100352, while the sum is 38.

The square root of 224728472 is about 14990.9463343713. The cubic root of 224728472 is about 607.9754361613.

The spelling of 224728472 in words is "two hundred twenty-four million, seven hundred twenty-eight thousand, four hundred seventy-two".