4321000221 has 8 divisors (see below), whose sum is σ = 5761811904. Its totient is φ = 2880427680.

The previous prime is 4321000219. The next prime is 4321000241. The reversal of 4321000221 is 1220001234.

4321000221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4321000221 - 2¹ = 4321000219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4321000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321000241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12216 + ... + 93761.

It is an arithmetic number, because the mean of its divisors is an integer number (720226488).

Almost surely, 2^4321000221 is an apocalyptic number.

It is an amenable number.

4321000221 is a deficient number, since it is larger than the sum of its proper divisors (1440811683).

4321000221 is a wasteful number, since it uses less digits than its factorization.

4321000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119571.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4321000221 is about 65734.3153991886. The cubic root of 4321000221 is about 1628.7762555121.

Adding to 4321000221 its reverse (1220001234), we get a palindrome (5541001455).

The spelling of 4321000221 in words is "four billion, three hundred twenty-one million, two hundred twenty-one", and thus it is an aban number.