225321343 has 4 divisors (see below), whose sum is σ = 242653768. Its totient is φ = 207988920.

The previous prime is 225321331. The next prime is 225321347. The reversal of 225321343 is 343123522.

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 225321343 - 2⁹ = 225320831 is a prime.

It is a super-2 number, since 2×225321343² = 101539415222647298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225321347) by changing a digit.

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, 8666193 + ... + 8666218.

It is an arithmetic number, because the mean of its divisors is an integer number (60663442).

Almost surely, 2^225321343 is an apocalyptic number.

225321343 is a deficient number, since it is larger than the sum of its proper divisors (17332425).

225321343 is a wasteful number, since it uses less digits than its factorization.

225321343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17332424.

The product of its digits is 4320, while the sum is 25.

The square root of 225321343 is about 15010.7076115685. The cubic root of 225321343 is about 608.5096133825.

Adding to 225321343 its reverse (343123522), we get a palindrome (568444865).

The spelling of 225321343 in words is "two hundred twenty-five million, three hundred twenty-one thousand, three hundred forty-three".