225440315 has 16 divisors (see below), whose sum is σ = 287696448. Its totient is φ = 168999936.

The previous prime is 225440291. The next prime is 225440321. The reversal of 225440315 is 513044522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 225440315 - 2⁶ = 225440251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14114 + ... + 25496.

It is an arithmetic number, because the mean of its divisors is an integer number (17981028).

Almost surely, 2^225440315 is an apocalyptic number.

225440315 is a deficient number, since it is larger than the sum of its proper divisors (62256133).

225440315 is a wasteful number, since it uses less digits than its factorization.

225440315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11638.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 225440315 is about 15014.6699930435. The cubic root of 225440315 is about 608.6166943283.

Adding to 225440315 its reverse (513044522), we get a palindrome (738484837).

The spelling of 225440315 in words is "two hundred twenty-five million, four hundred forty thousand, three hundred fifteen".