4221206868 has 12 divisors (see below), whose sum is σ = 9849482720. Its totient is φ = 1407068952.

The previous prime is 4221206849. The next prime is 4221206923. The reversal of 4221206868 is 8686021224.

4221206868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175883608 + ... + 175883631.

Almost surely, 2^4221206868 is an apocalyptic number.

It is an amenable number.

4221206868 is an abundant number, since it is smaller than the sum of its proper divisors (5628275852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4221206868 is a wasteful number, since it uses less digits than its factorization.

4221206868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351767246 (or 351767244 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 4221206868 is about 64970.8155097348. The cubic root of 4221206868 is about 1616.1396254917.

The spelling of 4221206868 in words is "four billion, two hundred twenty-one million, two hundred six thousand, eight hundred sixty-eight".