225240415 has 8 divisors (see below), whose sum is σ = 271908000. Its totient is φ = 179112672.

The previous prime is 225240391. The next prime is 225240437. The reversal of 225240415 is 514042522.

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

It is a cyclic number.

It is not a de Polignac number, because 225240415 - 2¹³ = 225232223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225240415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134040 + ... + 135709.

It is an arithmetic number, because the mean of its divisors is an integer number (33988500).

Almost surely, 2^225240415 is an apocalyptic number.

225240415 is a deficient number, since it is larger than the sum of its proper divisors (46667585).

225240415 is a wasteful number, since it uses less digits than its factorization.

225240415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269921.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 225240415 is about 15008.0116937588. The cubic root of 225240415 is about 608.4367524597.

Adding to 225240415 its reverse (514042522), we get a palindrome (739282937).

The spelling of 225240415 in words is "two hundred twenty-five million, two hundred forty thousand, four hundred fifteen".