225610331465 has 8 divisors (see below), whose sum is σ = 270738689280. Its totient is φ = 180484070832.

The previous prime is 225610331461. The next prime is 225610331489. The reversal of 225610331465 is 564133016522.

225610331465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225610331465 - 2² = 225610331461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225610331461) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 277019 + ... + 726608.

It is an arithmetic number, because the mean of its divisors is an integer number (33842336160).

Almost surely, 2^225610331465 is an apocalyptic number.

It is an amenable number.

225610331465 is a deficient number, since it is larger than the sum of its proper divisors (45128357815).

225610331465 is a wasteful number, since it uses less digits than its factorization.

225610331465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048591.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 225610331465 its reverse (564133016522), we get a palindrome (789743347987).

The spelling of 225610331465 in words is "two hundred twenty-five billion, six hundred ten million, three hundred thirty-one thousand, four hundred sixty-five".