4143022221 has 8 divisors (see below), whose sum is σ = 5948955040. Its totient is φ = 2549552112.

The previous prime is 4143022211. The next prime is 4143022231. The reversal of 4143022221 is 1222203414.

4143022221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4143022211) and next prime (4143022231).

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

It is not a de Polignac number, because 4143022221 - 2⁵ = 4143022189 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 (4143022211) 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, 53115631 + ... + 53115708.

It is an arithmetic number, because the mean of its divisors is an integer number (743619380).

Almost surely, 2^4143022221 is an apocalyptic number.

It is an amenable number.

4143022221 is a deficient number, since it is larger than the sum of its proper divisors (1805932819).

4143022221 is a wasteful number, since it uses less digits than its factorization.

4143022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106231355.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4143022221 is about 64366.3127808328. The cubic root of 4143022221 is about 1606.0994037759.

Adding to 4143022221 its reverse (1222203414), we get a palindrome (5365225635).

The spelling of 4143022221 in words is "four billion, one hundred forty-three million, twenty-two thousand, two hundred twenty-one".