225512329 has 8 divisors (see below), whose sum is σ = 257819328. Its totient is φ = 193228080.

The previous prime is 225512269. The next prime is 225512333. The reversal of 225512329 is 923215522.

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 225512329 - 2¹¹ = 225510281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225512329.

It is not an unprimeable number, because it can be changed into a prime (225512359) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34674 + ... + 40660.

It is an arithmetic number, because the mean of its divisors is an integer number (32227416).

Almost surely, 2^225512329 is an apocalyptic number.

It is an amenable number.

225512329 is a deficient number, since it is larger than the sum of its proper divisors (32306999).

225512329 is an equidigital number, since it uses as much as digits as its factorization.

225512329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11375.

The product of its digits is 10800, while the sum is 31.

The square root of 225512329 is about 15017.0679228670. The cubic root of 225512329 is about 608.6814923461.

The spelling of 225512329 in words is "two hundred twenty-five million, five hundred twelve thousand, three hundred twenty-nine".