227270431469 has 2 divisors, whose sum is σ = 227270431470. Its totient is φ = 227270431468.

The previous prime is 227270431463. The next prime is 227270431513. The reversal of 227270431469 is 964134072722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161634553444 + 65635878025 = 402038^2 + 256195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227270431469 is a prime.

It is a super-2 number, since 2×227270431469² (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 (227270431463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113635215734 + 113635215735.

It is an arithmetic number, because the mean of its divisors is an integer number (113635215735).

Almost surely, 2^227270431469 is an apocalyptic number.

It is an amenable number.

227270431469 is a deficient number, since it is larger than the sum of its proper divisors (1).

227270431469 is an equidigital number, since it uses as much as digits as its factorization.

227270431469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 227270431469 in words is "two hundred twenty-seven billion, two hundred seventy million, four hundred thirty-one thousand, four hundred sixty-nine".