224322431 has 4 divisors (see below), whose sum is σ = 225175632. Its totient is φ = 223469232.

The previous prime is 224322421. The next prime is 224322451. The reversal of 224322431 is 134223422.

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 224322431 - 2⁶ = 224322367 is a prime.

It is a super-2 number, since 2×224322431² = 100641106099499522, 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 = 224322397 and 224322406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224322401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426206 + ... + 426731.

It is an arithmetic number, because the mean of its divisors is an integer number (56293908).

Almost surely, 2^224322431 is an apocalyptic number.

224322431 is a deficient number, since it is larger than the sum of its proper divisors (853201).

224322431 is an equidigital number, since it uses as much as digits as its factorization.

224322431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853200.

The product of its digits is 2304, while the sum is 23.

The square root of 224322431 is about 14977.3973373213. The cubic root of 224322431 is about 607.6090506307.

Adding to 224322431 its reverse (134223422), we get a palindrome (358545853).

Subtracting from 224322431 its reverse (134223422), we obtain a palindrome (90099009).

The spelling of 224322431 in words is "two hundred twenty-four million, three hundred twenty-two thousand, four hundred thirty-one".