225321379 has 4 divisors (see below), whose sum is σ = 231411184. Its totient is φ = 219231576.

The previous prime is 225321377. The next prime is 225321401. The reversal of 225321379 is 973123522.

225321379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225321379 - 2¹ = 225321377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225321377) 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, 3044847 + ... + 3044920.

It is an arithmetic number, because the mean of its divisors is an integer number (57852796).

Almost surely, 2^225321379 is an apocalyptic number.

225321379 is a deficient number, since it is larger than the sum of its proper divisors (6089805).

225321379 is an equidigital number, since it uses as much as digits as its factorization.

225321379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089804.

The product of its digits is 22680, while the sum is 34.

The square root of 225321379 is about 15010.7088107124. The cubic root of 225321379 is about 608.5096457900.

It can be divided in two parts, 2253 and 21379, that added together give a palindrome (23632).

The spelling of 225321379 in words is "two hundred twenty-five million, three hundred twenty-one thousand, three hundred seventy-nine".