225321344 has 32 divisors (see below), whose sum is σ = 450901200. Its totient is φ = 112154112.

The previous prime is 225321331. The next prime is 225321347. The reversal of 225321344 is 443123522.

It is a tau number, because it is divible by the number of its divisors (32).

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25469 + ... + 33155.

Almost surely, 2^225321344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225321344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225450600).

225321344 is an abundant number, since it is smaller than the sum of its proper divisors (225579856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225321344 is an equidigital number, since it uses as much as digits as its factorization.

225321344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930 (or 7918 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 225321344 is about 15010.7076448780. The cubic root of 225321344 is about 608.5096142827.

Adding to 225321344 its reverse (443123522), we get a palindrome (668444866).

The spelling of 225321344 in words is "two hundred twenty-five million, three hundred twenty-one thousand, three hundred forty-four".