224785272 has 16 divisors (see below), whose sum is σ = 561963240. Its totient is φ = 74928416.

The previous prime is 224785259. The next prime is 224785283. The reversal of 224785272 is 272587422.

It is a happy number.

It is a super-2 number, since 2×224785272² = 101056837016227968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224785272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4683003 + ... + 4683050.

Almost surely, 2^224785272 is an apocalyptic number.

It is an amenable number.

224785272 is an abundant number, since it is smaller than the sum of its proper divisors (337177968).

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

224785272 is a wasteful number, since it uses less digits than its factorization.

224785272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366062 (or 9366058 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 224785272 is about 14992.8406914767. The cubic root of 224785272 is about 608.0266536676.

The spelling of 224785272 in words is "two hundred twenty-four million, seven hundred eighty-five thousand, two hundred seventy-two".