225672315731 has 2 divisors, whose sum is σ = 225672315732. Its totient is φ = 225672315730.

The previous prime is 225672315721. The next prime is 225672315761. The reversal of 225672315731 is 137513276522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225672315731 - 2¹⁸ = 225672053587 is a prime.

It is a super-2 number, since 2×225672315731² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225672315721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112836157865 + 112836157866.

It is an arithmetic number, because the mean of its divisors is an integer number (112836157866).

Almost surely, 2^225672315731 is an apocalyptic number.

225672315731 is a deficient number, since it is larger than the sum of its proper divisors (1).

225672315731 is an equidigital number, since it uses as much as digits as its factorization.

225672315731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 44.

The spelling of 225672315731 in words is "two hundred twenty-five billion, six hundred seventy-two million, three hundred fifteen thousand, seven hundred thirty-one".