224423431 has 4 divisors (see below), whose sum is σ = 232162200. Its totient is φ = 216684664.

The previous prime is 224423417. The next prime is 224423471. The reversal of 224423431 is 134324422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224423431 - 2²⁵ = 190868999 is a prime.

It is a super-2 number, since 2×224423431² = 100731752763623522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224423396 and 224423405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224423471) 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, 3869341 + ... + 3869398.

It is an arithmetic number, because the mean of its divisors is an integer number (58040550).

Almost surely, 2^224423431 is an apocalyptic number.

224423431 is a deficient number, since it is larger than the sum of its proper divisors (7738769).

224423431 is an equidigital number, since it uses as much as digits as its factorization.

224423431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738768.

The product of its digits is 4608, while the sum is 25.

The square root of 224423431 is about 14980.7687052434. The cubic root of 224423431 is about 607.7002278792.

Adding to 224423431 its reverse (134324422), we get a palindrome (358747853).

Subtracting from 224423431 its reverse (134324422), we obtain a palindrome (90099009).

The spelling of 224423431 in words is "two hundred twenty-four million, four hundred twenty-three thousand, four hundred thirty-one".