225217416 has 16 divisors (see below), whose sum is σ = 563043600. Its totient is φ = 75072464.

The previous prime is 225217381. The next prime is 225217423. The reversal of 225217416 is 614712522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4692006 + ... + 4692053.

It is an arithmetic number, because the mean of its divisors is an integer number (35190225).

Almost surely, 2^225217416 is an apocalyptic number.

It is an amenable number.

225217416 is an abundant number, since it is smaller than the sum of its proper divisors (337826184).

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

225217416 is a wasteful number, since it uses less digits than its factorization.

225217416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384068 (or 9384064 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 225217416 is about 15007.2454501151. The cubic root of 225217416 is about 608.4160428649.

Adding to 225217416 its reverse (614712522), we get a palindrome (839929938).

The spelling of 225217416 in words is "two hundred twenty-five million, two hundred seventeen thousand, four hundred sixteen".