224543431 has 12 divisors (see below), whose sum is σ = 262357320. Its totient is φ = 191615760.

The previous prime is 224543413. The next prime is 224543443. The reversal of 224543431 is 134345422.

It is a happy number.

It is not a de Polignac number, because 224543431 - 2¹³ = 224535239 is a prime.

It is a super-2 number, since 2×224543431² = 100839504810503522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224543431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224543471) 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 11 ways as a sum of consecutive naturals, for example, 1216 + ... + 21226.

It is an arithmetic number, because the mean of its divisors is an integer number (21863110).

Almost surely, 2^224543431 is an apocalyptic number.

224543431 is a deficient number, since it is larger than the sum of its proper divisors (37813889).

224543431 is a wasteful number, since it uses less digits than its factorization.

224543431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20254 (or 20247 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 224543431 is about 14984.7733049252. The cubic root of 224543431 is about 607.8085217315.

Adding to 224543431 its reverse (134345422), we get a palindrome (358888853).

The spelling of 224543431 in words is "two hundred twenty-four million, five hundred forty-three thousand, four hundred thirty-one".