225225012 has 36 divisors (see below), whose sum is σ = 554650656. Its totient is φ = 71122320.

The previous prime is 225224983. The next prime is 225225029. The reversal of 225225012 is 210522522.

225225012 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 self number, because there is not a number n which added to its sum of digits gives 225225012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21664 + ... + 30327.

Almost surely, 2^225225012 is an apocalyptic number.

It is an amenable number.

225225012 is an abundant number, since it is smaller than the sum of its proper divisors (329425644).

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

225225012 is a wasteful number, since it uses less digits than its factorization.

225225012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52036 (or 52015 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 225225012 is about 15007.4985257371. The cubic root of 225225012 is about 608.4228828870.

Adding to 225225012 its reverse (210522522), we get a palindrome (435747534).

The spelling of 225225012 in words is "two hundred twenty-five million, two hundred twenty-five thousand, twelve".