225026172 has 72 divisors (see below), whose sum is σ = 651452256. Its totient is φ = 64157184.

The previous prime is 225026159. The next prime is 225026183. The reversal of 225026172 is 271620522.

225026172 is digitally balanced in base 2 and base 3, because in such bases 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 23 ways as a sum of consecutive naturals, for example, 235648 + ... + 236600.

It is an arithmetic number, because the mean of its divisors is an integer number (9047948).

Almost surely, 2^225026172 is an apocalyptic number.

It is an amenable number.

225026172 is an abundant number, since it is smaller than the sum of its proper divisors (426426084).

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

225026172 is a wasteful number, since it uses less digits than its factorization.

225026172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907 (or 1902 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 225026172 is about 15000.8723746321. The cubic root of 225026172 is about 608.2437813676.

Adding to 225026172 its reverse (271620522), we get a palindrome (496646694).

The spelling of 225026172 in words is "two hundred twenty-five million, twenty-six thousand, one hundred seventy-two".