225551123 has 4 divisors (see below), whose sum is σ = 257772720. Its totient is φ = 193329528.

The previous prime is 225551119. The next prime is 225551141. The reversal of 225551123 is 321155522.

225551123 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 not a de Polignac number, because 225551123 - 2² = 225551119 is a prime.

It is a super-2 number, since 2×225551123² = 101746618173122258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225551092 and 225551101.

It is not an unprimeable number, because it can be changed into a prime (225551143) 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, 16110788 + ... + 16110801.

It is an arithmetic number, because the mean of its divisors is an integer number (64443180).

Almost surely, 2^225551123 is an apocalyptic number.

225551123 is a deficient number, since it is larger than the sum of its proper divisors (32221597).

225551123 is an equidigital number, since it uses as much as digits as its factorization.

225551123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32221596.

The product of its digits is 3000, while the sum is 26.

The square root of 225551123 is about 15018.3595309208. The cubic root of 225551123 is about 608.7163933735.

The spelling of 225551123 in words is "two hundred twenty-five million, five hundred fifty-one thousand, one hundred twenty-three".