225025312 has 12 divisors (see below), whose sum is σ = 443018646. Its totient is φ = 112512640.

The previous prime is 225025301. The next prime is 225025349. The reversal of 225025312 is 213520522.

It can be written as a sum of positive squares in only one way, i.e., 153859216 + 71166096 = 12404^2 + 8436^2 .

It is an unprimeable number.

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, 3515989 + ... + 3516052.

Almost surely, 2^225025312 is an apocalyptic number.

It is an amenable number.

225025312 is a deficient number, since it is larger than the sum of its proper divisors (217993334).

225025312 is an equidigital number, since it uses as much as digits as its factorization.

225025312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032051 (or 7032043 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225025312 is about 15000.8437096051. The cubic root of 225025312 is about 608.2430065091.

Adding to 225025312 its reverse (213520522), we get a palindrome (438545834).

The spelling of 225025312 in words is "two hundred twenty-five million, twenty-five thousand, three hundred twelve".