225118 has 4 divisors (see below), whose sum is σ = 337680. Its totient is φ = 112558.

The previous prime is 225109. The next prime is 225119. The reversal of 225118 is 811522.

225118 is digitally balanced in base 3, 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 super-2 number, since 2×225118² = 101356227848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225095 and 225104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56278 + ... + 56281.

It is an arithmetic number, because the mean of its divisors is an integer number (84420).

2²²⁵¹¹⁸ is an apocalyptic number.

225118 is a deficient number, since it is larger than the sum of its proper divisors (112562).

225118 is a wasteful number, since it uses less digits than its factorization.

225118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112561.

The product of its digits is 160, while the sum is 19.

The square root of 225118 is about 474.4660156428. The cubic root of 225118 is about 60.8326506877.

It can be divided in two parts, 225 and 118, that added together give a palindrome (343).

The spelling of 225118 in words is "two hundred twenty-five thousand, one hundred eighteen".