4430220042221 has 16 divisors (see below), whose sum is σ = 4526755752960. Its totient is φ = 4334912143680.

The previous prime is 4430220042181. The next prime is 4430220042299. The reversal of 4430220042221 is 1222400220344.

It is a cyclic number.

It is not a de Polignac number, because 4430220042221 - 2¹⁴ = 4430220025837 is a prime.

It is a super-2 number, since 2×4430220042221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430220042421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3020171 + ... + 4240503.

It is an arithmetic number, because the mean of its divisors is an integer number (282922234560).

Almost surely, 2^{4430220042221} is an apocalyptic number.

It is an amenable number.

4430220042221 is a deficient number, since it is larger than the sum of its proper divisors (96535710739).

4430220042221 is a wasteful number, since it uses less digits than its factorization.

4430220042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220836.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 4430220042221 its reverse (1222400220344), we get a palindrome (5652620262565).

The spelling of 4430220042221 in words is "four trillion, four hundred thirty billion, two hundred twenty million, forty-two thousand, two hundred twenty-one".