4230221221 has 8 divisors (see below), whose sum is σ = 4286066400. Its totient is φ = 4174686000.

The previous prime is 4230221209. The next prime is 4230221239. The reversal of 4230221221 is 1221220324.

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

It is a cyclic number.

It is not a de Polignac number, because 4230221221 - 2⁵ = 4230221189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4230221201) 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, 49951 + ... + 104668.

It is an arithmetic number, because the mean of its divisors is an integer number (535758300).

Almost surely, 2^4230221221 is an apocalyptic number.

It is an amenable number.

4230221221 is a deficient number, since it is larger than the sum of its proper divisors (55845179).

4230221221 is a wasteful number, since it uses less digits than its factorization.

4230221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154979.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4230221221 is about 65040.1508377710. The cubic root of 4230221221 is about 1617.2892252429.

Adding to 4230221221 its reverse (1221220324), we get a palindrome (5451441545).

The spelling of 4230221221 in words is "four billion, two hundred thirty million, two hundred twenty-one thousand, two hundred twenty-one".