4221864071 has 2 divisors, whose sum is σ = 4221864072. Its totient is φ = 4221864070.

The previous prime is 4221864067. The next prime is 4221864079. The reversal of 4221864071 is 1704681224.

4221864071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221864071 - 2² = 4221864067 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221864079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110932035 + 2110932036.

It is an arithmetic number, because the mean of its divisors is an integer number (2110932036).

Almost surely, 2^4221864071 is an apocalyptic number.

4221864071 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221864071 is an equidigital number, since it uses as much as digits as its factorization.

4221864071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 4221864071 is about 64975.8729914420. The cubic root of 4221864071 is about 1616.2234938203.

The spelling of 4221864071 in words is "four billion, two hundred twenty-one million, eight hundred sixty-four thousand, seventy-one".