3227663641 has 2 divisors, whose sum is σ = 3227663642. Its totient is φ = 3227663640.

The previous prime is 3227663633. The next prime is 3227663671. The reversal of 3227663641 is 1463667223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2707641225 + 520022416 = 52035^2 + 22804^2 .

It is a cyclic number.

It is not a de Polignac number, because 3227663641 - 2³ = 3227663633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3227663594 and 3227663603.

It is not a weakly prime, because it can be changed into another prime (3227663671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1613831820 + 1613831821.

It is an arithmetic number, because the mean of its divisors is an integer number (1613831821).

Almost surely, 2^3227663641 is an apocalyptic number.

It is an amenable number.

3227663641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3227663641 is an equidigital number, since it uses as much as digits as its factorization.

3227663641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The square root of 3227663641 is about 56812.5306688586. The cubic root of 3227663641 is about 1477.8468265233.

The spelling of 3227663641 in words is "three billion, two hundred twenty-seven million, six hundred sixty-three thousand, six hundred forty-one".