225724013705 has 32 divisors (see below), whose sum is σ = 274675598208. Its totient is φ = 178064857600.

The previous prime is 225724013701. The next prime is 225724013717. The reversal of 225724013705 is 507310427522.

It is not a de Polignac number, because 225724013705 - 2² = 225724013701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225724013701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55173710 + ... + 55177800.

It is an arithmetic number, because the mean of its divisors is an integer number (8583612444).

Almost surely, 2^225724013705 is an apocalyptic number.

It is an amenable number.

225724013705 is a deficient number, since it is larger than the sum of its proper divisors (48951584503).

225724013705 is a wasteful number, since it uses less digits than its factorization.

225724013705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 225724013705 in words is "two hundred twenty-five billion, seven hundred twenty-four million, thirteen thousand, seven hundred five".