225116 has 12 divisors (see below), whose sum is σ = 397488. Its totient is φ = 111552.

The previous prime is 225109. The next prime is 225119. The reversal of 225116 is 611522.

It is a junction number, because it is equal to n+sod(n) for n = 225094 and 225103.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (33124).

2²²⁵¹¹⁶ is an apocalyptic number.

It is an amenable number.

225116 is a deficient number, since it is larger than the sum of its proper divisors (172372).

225116 is a wasteful number, since it uses less digits than its factorization.

225116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 506 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 225116 is about 474.4639080057. The cubic root of 225116 is about 60.8324705368.

Adding to 225116 its reverse (611522), we get a palindrome (836638).

The spelling of 225116 in words is "two hundred twenty-five thousand, one hundred sixteen".