225724534265 has 16 divisors (see below), whose sum is σ = 271641517056. Its totient is φ = 180065558400.

The previous prime is 225724534249. The next prime is 225724534267. The reversal of 225724534265 is 562435427522.

It is not a de Polignac number, because 225724534265 - 2⁴ = 225724534249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225724534267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2802344 + ... + 2881766.

It is an arithmetic number, because the mean of its divisors is an integer number (16977594816).

Almost surely, 2^225724534265 is an apocalyptic number.

It is an amenable number.

225724534265 is a deficient number, since it is larger than the sum of its proper divisors (45916982791).

225724534265 is a wasteful number, since it uses less digits than its factorization.

225724534265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81040.

The product of its digits is 4032000, while the sum is 47.

The spelling of 225724534265 in words is "two hundred twenty-five billion, seven hundred twenty-four million, five hundred thirty-four thousand, two hundred sixty-five".