225420412 has 12 divisors (see below), whose sum is σ = 450840880. Its totient is φ = 96608736.

The previous prime is 225420407. The next prime is 225420421. The reversal of 225420412 is 214024522.

225420412 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4025337 + ... + 4025392.

Almost surely, 2^225420412 is an apocalyptic number.

It is an amenable number.

225420412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225420412 is a wasteful number, since it uses less digits than its factorization.

225420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050740 (or 8050738 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 225420412 is about 15014.0071932845. The cubic root of 225420412 is about 608.5987832247.

Adding to 225420412 its reverse (214024522), we get a palindrome (439444934).

The spelling of 225420412 in words is "two hundred twenty-five million, four hundred twenty thousand, four hundred twelve".