225636438343627 has 2 divisors, whose sum is σ = 225636438343628. Its totient is φ = 225636438343626.

The previous prime is 225636438343597. The next prime is 225636438343663. The reversal of 225636438343627 is 726343834636522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225636438343627 - 2¹⁹ = 225636437819339 is a prime.

It is not a weakly prime, because it can be changed into another prime (225636408343627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112818219171813 + 112818219171814.

It is an arithmetic number, because the mean of its divisors is an integer number (112818219171814).

Almost surely, 2^{225636438343627} is an apocalyptic number.

225636438343627 is a deficient number, since it is larger than the sum of its proper divisors (1).

225636438343627 is an equidigital number, since it uses as much as digits as its factorization.

225636438343627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627056640, while the sum is 64.

The spelling of 225636438343627 in words is "two hundred twenty-five trillion, six hundred thirty-six billion, four hundred thirty-eight million, three hundred forty-three thousand, six hundred twenty-seven".