225772716231 has 16 divisors (see below), whose sum is σ = 334506182400. Its totient is φ = 150502506264.

The previous prime is 225772716161. The next prime is 225772716269. The reversal of 225772716231 is 132617277522.

225772716231 is a `hidden beast` number, since 2 + 2 + 577 + 2 + 71 + 6 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 225772716231 - 2¹¹ = 225772714183 is a prime.

It is a super-2 number, since 2×225772716231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225772716031) 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, 17781 + ... + 672206.

It is an arithmetic number, because the mean of its divisors is an integer number (20906636400).

Almost surely, 2^225772716231 is an apocalyptic number.

225772716231 is a deficient number, since it is larger than the sum of its proper divisors (108733466169).

225772716231 is a wasteful number, since it uses less digits than its factorization.

225772716231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702115 (or 702109 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The spelling of 225772716231 in words is "two hundred twenty-five billion, seven hundred seventy-two million, seven hundred sixteen thousand, two hundred thirty-one".