225042227 has 4 divisors (see below), whose sum is σ = 225134640. Its totient is φ = 224949816.

The previous prime is 225042217. The next prime is 225042253. The reversal of 225042227 is 722240522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722240522 = 2 ⋅361120261.

It is a cyclic number.

It is not a de Polignac number, because 225042227 - 2⁴ = 225042211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225042196 and 225042205.

It is not an unprimeable number, because it can be changed into a prime (225042217) 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, 42452 + ... + 47457.

It is an arithmetic number, because the mean of its divisors is an integer number (56283660).

Almost surely, 2^225042227 is an apocalyptic number.

225042227 is a deficient number, since it is larger than the sum of its proper divisors (92413).

225042227 is an equidigital number, since it uses as much as digits as its factorization.

225042227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92412.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 225042227 is about 15001.4075006314. The cubic root of 225042227 is about 608.2582465319.

Adding to 225042227 its reverse (722240522), we get a palindrome (947282749).

The spelling of 225042227 in words is "two hundred twenty-five million, forty-two thousand, two hundred twenty-seven".