225504465 has 16 divisors (see below), whose sum is σ = 361086336. Its totient is φ = 120176000.

The previous prime is 225504403. The next prime is 225504479. The reversal of 225504465 is 564405522.

It is not a de Polignac number, because 225504465 - 2⁹ = 225503953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17140 + ... + 27290.

It is an arithmetic number, because the mean of its divisors is an integer number (22567896).

Almost surely, 2^225504465 is an apocalyptic number.

It is an amenable number.

225504465 is a deficient number, since it is larger than the sum of its proper divisors (135581871).

225504465 is a wasteful number, since it uses less digits than its factorization.

225504465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 225504465 is about 15016.8060851834. The cubic root of 225504465 is about 608.6744170095.

Adding to 225504465 its reverse (564405522), we get a palindrome (789909987).

The spelling of 225504465 in words is "two hundred twenty-five million, five hundred four thousand, four hundred sixty-five".