225724041671 has 4 divisors (see below), whose sum is σ = 231229506144. Its totient is φ = 220218577200.

The previous prime is 225724041637. The next prime is 225724041679. The reversal of 225724041671 is 176140427522.

225724041671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225724041671 - 2³⁰ = 224650299847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 5505464431 = 225724041671 / (2 + 2 + 5 + 7 + 2 + 4 + 0 + 4 + 1 + 6 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225724041679) 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 3 ways as a sum of consecutive naturals, for example, 2752732175 + ... + 2752732256.

It is an arithmetic number, because the mean of its divisors is an integer number (57807376536).

Almost surely, 2^225724041671 is an apocalyptic number.

225724041671 is a deficient number, since it is larger than the sum of its proper divisors (5505464473).

225724041671 is an equidigital number, since it uses as much as digits as its factorization.

225724041671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505464472.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 225724041671 in words is "two hundred twenty-five billion, seven hundred twenty-four million, forty-one thousand, six hundred seventy-one".