4221767216 has 20 divisors (see below), whose sum is σ = 8660831832. Its totient is φ = 1986713856.

The previous prime is 4221767213. The next prime is 4221767237. The reversal of 4221767216 is 6127671224.

4221767216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4221767216.

It is not an unprimeable number, because it can be changed into a prime (4221767213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7760330 + ... + 7760873.

Almost surely, 2^4221767216 is an apocalyptic number.

It is an amenable number.

4221767216 is an abundant number, since it is smaller than the sum of its proper divisors (4439064616).

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

4221767216 is a wasteful number, since it uses less digits than its factorization.

4221767216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521228 (or 15521222 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 4221767216 is about 64975.1276720562. The cubic root of 4221767216 is about 1616.2111343095.

The spelling of 4221767216 in words is "four billion, two hundred twenty-one million, seven hundred sixty-seven thousand, two hundred sixteen".