224544231 has 20 divisors (see below), whose sum is σ = 344500552. Its totient is φ = 145648368.

The previous prime is 224544181. The next prime is 224544247. The reversal of 224544231 is 132445422.

It is not a de Polignac number, because 224544231 - 2⁹ = 224543719 is a prime.

It is a super-2 number, since 2×224544231² = 100840223350762722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224544195 and 224544204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224544031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34465 + ... + 40458.

Almost surely, 2^224544231 is an apocalyptic number.

224544231 is a deficient number, since it is larger than the sum of its proper divisors (119956321).

224544231 is an equidigital number, since it uses as much as digits as its factorization.

224544231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74972 (or 74963 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 224544231 is about 14984.7999986653. The cubic root of 224544231 is about 607.8092435610.

Adding to 224544231 its reverse (132445422), we get a palindrome (356989653).

The spelling of 224544231 in words is "two hundred twenty-four million, five hundred forty-four thousand, two hundred thirty-one".