3985422247 has 2 divisors, whose sum is σ = 3985422248. Its totient is φ = 3985422246.

The previous prime is 3985422173. The next prime is 3985422269. The reversal of 3985422247 is 7422245893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3985422247 - 2²⁷ = 3851204519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3985422197 and 3985422206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3985420247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992711123 + 1992711124.

It is an arithmetic number, because the mean of its divisors is an integer number (1992711124).

Almost surely, 2^3985422247 is an apocalyptic number.

3985422247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985422247 is an equidigital number, since it uses as much as digits as its factorization.

3985422247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

The square root of 3985422247 is about 63130.2007520965. The cubic root of 3985422247 is about 1585.4703095374.

The spelling of 3985422247 in words is "three billion, nine hundred eighty-five million, four hundred twenty-two thousand, two hundred forty-seven".