225724275631 has 2 divisors, whose sum is σ = 225724275632. Its totient is φ = 225724275630.

The previous prime is 225724275611. The next prime is 225724275671. The reversal of 225724275631 is 136572427522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225724275631 - 2⁵ = 225724275599 is a prime.

It is a super-2 number, since 2×225724275631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225724275611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112862137815 + 112862137816.

It is an arithmetic number, because the mean of its divisors is an integer number (112862137816).

Almost surely, 2^225724275631 is an apocalyptic number.

225724275631 is a deficient number, since it is larger than the sum of its proper divisors (1).

225724275631 is an equidigital number, since it uses as much as digits as its factorization.

225724275631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 46.

The spelling of 225724275631 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred seventy-five thousand, six hundred thirty-one".