225211232 has 24 divisors (see below), whose sum is σ = 446115096. Its totient is φ = 111912192.

The previous prime is 225211229. The next prime is 225211247. The reversal of 225211232 is 232112522.

225211232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 16373 + ... + 26804.

It is an arithmetic number, because the mean of its divisors is an integer number (18588129).

Almost surely, 2^225211232 is an apocalyptic number.

It is an amenable number.

225211232 is a deficient number, since it is larger than the sum of its proper divisors (220903864).

225211232 is a wasteful number, since it uses less digits than its factorization.

225211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43350 (or 43342 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 225211232 is about 15007.0394148879. The cubic root of 225211232 is about 608.4104742025.

Adding to 225211232 its reverse (232112522), we get a palindrome (457323754).

The spelling of 225211232 in words is "two hundred twenty-five million, two hundred eleven thousand, two hundred thirty-two".