3225866447 has 2 divisors, whose sum is σ = 3225866448. Its totient is φ = 3225866446.

The previous prime is 3225866431. The next prime is 3225866453. The reversal of 3225866447 is 7446685223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3225866447 - 2⁴ = 3225866431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3225866647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612933223 + 1612933224.

It is an arithmetic number, because the mean of its divisors is an integer number (1612933224).

Almost surely, 2^3225866447 is an apocalyptic number.

3225866447 is a deficient number, since it is larger than the sum of its proper divisors (1).

3225866447 is an equidigital number, since it uses as much as digits as its factorization.

3225866447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 47.

The square root of 3225866447 is about 56796.7115861473. The cubic root of 3225866447 is about 1477.5724825131.

The spelling of 3225866447 in words is "three billion, two hundred twenty-five million, eight hundred sixty-six thousand, four hundred forty-seven".