225724321726 has 32 divisors (see below), whose sum is σ = 364354200000. Its totient is φ = 104501624832.

The previous prime is 225724321651. The next prime is 225724321741. The reversal of 225724321726 is 627123427522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414750 + ... + 789598.

It is an arithmetic number, because the mean of its divisors is an integer number (11386068750).

Almost surely, 2^225724321726 is an apocalyptic number.

225724321726 is a deficient number, since it is larger than the sum of its proper divisors (138629878274).

225724321726 is a wasteful number, since it uses less digits than its factorization.

225724321726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375156.

The product of its digits is 564480, while the sum is 43.

The spelling of 225724321726 in words is "two hundred twenty-five billion, seven hundred twenty-four million, three hundred twenty-one thousand, seven hundred twenty-six".