225322131 has 8 divisors (see below), whose sum is σ = 318101904. Its totient is φ = 141378560.

The previous prime is 225322109. The next prime is 225322169. The reversal of 225322131 is 131223522.

225322131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225322131 - 2¹¹ = 225320083 is a prime.

It is a super-2 number, since 2×225322131² = 101540125436762322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225322098 and 225322107.

It is not an unprimeable number, because it can be changed into a prime (225322231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2208990 + ... + 2209091.

It is an arithmetic number, because the mean of its divisors is an integer number (39762738).

Almost surely, 2^225322131 is an apocalyptic number.

225322131 is a deficient number, since it is larger than the sum of its proper divisors (92779773).

225322131 is a wasteful number, since it uses less digits than its factorization.

225322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418101.

The product of its digits is 720, while the sum is 21.

The square root of 225322131 is about 15010.7338594754. The cubic root of 225322131 is about 608.5103227472.

Adding to 225322131 its reverse (131223522), we get a palindrome (356545653).

The spelling of 225322131 in words is "two hundred twenty-five million, three hundred twenty-two thousand, one hundred thirty-one".