225772064131 has 4 divisors (see below), whose sum is σ = 225773015832. Its totient is φ = 225771112432.

The previous prime is 225772064107. The next prime is 225772064153. The reversal of 225772064131 is 131460277522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 225772064131 - 2⁵ = 225772064099 is a prime.

It is a super-2 number, since 2×225772064131² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225772065131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199356 + ... + 700918.

It is an arithmetic number, because the mean of its divisors is an integer number (56443253958).

Almost surely, 2^225772064131 is an apocalyptic number.

225772064131 is a deficient number, since it is larger than the sum of its proper divisors (951701).

225772064131 is an equidigital number, since it uses as much as digits as its factorization.

225772064131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951700.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 225772064131 in words is "two hundred twenty-five billion, seven hundred seventy-two million, sixty-four thousand, one hundred thirty-one".