224231872 has 14 divisors (see below), whose sum is σ = 444960248. Its totient is φ = 112115904.

The previous prime is 224231869. The next prime is 224231929. The reversal of 224231872 is 278132422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751748 + ... + 1751875.

Almost surely, 2^224231872 is an apocalyptic number.

It is an amenable number.

224231872 is a deficient number, since it is larger than the sum of its proper divisors (220728376).

224231872 is an equidigital number, since it uses as much as digits as its factorization.

224231872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503635 (or 3503625 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 224231872 is about 14974.3738433365. The cubic root of 224231872 is about 607.5272756697.

The spelling of 224231872 in words is "two hundred twenty-four million, two hundred thirty-one thousand, eight hundred seventy-two".