225512 has 16 divisors (see below), whose sum is σ = 483360. Its totient is φ = 96624.

The previous prime is 225509. The next prime is 225523. The reversal of 225512 is 215522.

225512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (30210).

2²²⁵⁵¹² is an apocalyptic number.

It is an amenable number.

225512 is an abundant number, since it is smaller than the sum of its proper divisors (257848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225512 is a wasteful number, since it uses less digits than its factorization.

225512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4036 counting only the distinct ones).

The product of its digits is 200, while the sum is 17.

The square root of 225512 is about 474.8810377347. The cubic root of 225512 is about 60.8681196344.

It can be divided in two parts, 225 and 512, that added together give a palindrome (737).

The spelling of 225512 in words is "two hundred twenty-five thousand, five hundred twelve".