227472323274731 has 2 divisors, whose sum is σ = 227472323274732. Its totient is φ = 227472323274730.

The previous prime is 227472323274719. The next prime is 227472323274733. The reversal of 227472323274731 is 137472323274722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227472323274731 is a prime.

It is a super-2 number, since 2×227472323274731² (a number of 30 digits) contains 22 as substring.

Together with 227472323274733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227472323274733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113736161637365 + 113736161637366.

It is an arithmetic number, because the mean of its divisors is an integer number (113736161637366).

Almost surely, 2^{227472323274731} is an apocalyptic number.

227472323274731 is a deficient number, since it is larger than the sum of its proper divisors (1).

227472323274731 is an equidigital number, since it uses as much as digits as its factorization.

227472323274731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33191424, while the sum is 56.

Subtracting from 227472323274731 its reverse (137472323274722), we obtain a palindrome (90000000000009).

The spelling of 227472323274731 in words is "two hundred twenty-seven trillion, four hundred seventy-two billion, three hundred twenty-three million, two hundred seventy-four thousand, seven hundred thirty-one".