225721713027 has 16 divisors (see below), whose sum is σ = 301555163520. Its totient is φ = 150184876800.

The previous prime is 225721712999. The next prime is 225721713101. The reversal of 225721713027 is 720317127522.

It is not a de Polignac number, because 225721713027 - 2⁸ = 225721712771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225721713827) 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, 5627152 + ... + 5667122.

It is an arithmetic number, because the mean of its divisors is an integer number (18847197720).

Almost surely, 2^225721713027 is an apocalyptic number.

225721713027 is a deficient number, since it is larger than the sum of its proper divisors (75833450493).

225721713027 is a wasteful number, since it uses less digits than its factorization.

225721713027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43634.

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 225721713027 in words is "two hundred twenty-five billion, seven hundred twenty-one million, seven hundred thirteen thousand, twenty-seven".