225012105 has 48 divisors (see below), whose sum is σ = 420166656. Its totient is φ = 111070080.

The previous prime is 225012091. The next prime is 225012107. The reversal of 225012105 is 501210522.

225012105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225012105 - 2⁴ = 225012089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225012107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28579 + ... + 35591.

It is an arithmetic number, because the mean of its divisors is an integer number (8753472).

Almost surely, 2^225012105 is an apocalyptic number.

It is an amenable number.

225012105 is a deficient number, since it is larger than the sum of its proper divisors (195154551).

225012105 is a wasteful number, since it uses less digits than its factorization.

225012105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078 (or 7075 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 225012105 is about 15000.4034945731. The cubic root of 225012105 is about 608.2311067773.

Adding to 225012105 its reverse (501210522), we get a palindrome (726222627).

The spelling of 225012105 in words is "two hundred twenty-five million, twelve thousand, one hundred five".