225112242 has 8 divisors (see below), whose sum is σ = 450224496. Its totient is φ = 75037412.

The previous prime is 225112219. The next prime is 225112289. The reversal of 225112242 is 242211522.

It is a sphenic number, since it is the product of 3 distinct primes.

225112242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18759348 + ... + 18759359.

It is an arithmetic number, because the mean of its divisors is an integer number (56278062).

Almost surely, 2^225112242 is an apocalyptic number.

225112242 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.

225112242 is a wasteful number, since it uses less digits than its factorization.

225112242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37518712.

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

The square root of 225112242 is about 15003.7409335139. The cubic root of 225112242 is about 608.3213203024.

Adding to 225112242 its reverse (242211522), we get a palindrome (467323764).

It can be divided in two parts, 22511 and 2242, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 225112242 in words is "two hundred twenty-five million, one hundred twelve thousand, two hundred forty-two".