225122412 has 48 divisors (see below), whose sum is σ = 561223040. Its totient is φ = 70025472.

The previous prime is 225122407. The next prime is 225122473. The reversal of 225122412 is 214221522.

225122412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7908 + ... + 22644.

Almost surely, 2^225122412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225122412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280611520).

225122412 is an abundant number, since it is smaller than the sum of its proper divisors (336100628).

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

225122412 is a wasteful number, since it uses less digits than its factorization.

225122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14830 (or 14828 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 225122412 is about 15004.0798451621. The cubic root of 225122412 is about 608.3304809691.

Adding to 225122412 its reverse (214221522), we get a palindrome (439343934).

The spelling of 225122412 in words is "two hundred twenty-five million, one hundred twenty-two thousand, four hundred twelve".