4222002043221 has 16 divisors (see below), whose sum is σ = 5878618905984. Its totient is φ = 2690215317504.

The previous prime is 4222002043213. The next prime is 4222002043271. The reversal of 4222002043221 is 1223402002224.

It is not a de Polignac number, because 4222002043221 - 2³ = 4222002043213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4222002043191 and 4222002043200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222002043201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23498956 + ... + 23677941.

It is an arithmetic number, because the mean of its divisors is an integer number (367413681624).

Almost surely, 2^{4222002043221} is an apocalyptic number.

It is an amenable number.

4222002043221 is a deficient number, since it is larger than the sum of its proper divisors (1656616862763).

4222002043221 is a wasteful number, since it uses less digits than its factorization.

4222002043221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47178220.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 4222002043221 its reverse (1223402002224), we get a palindrome (5445404045445).

The spelling of 4222002043221 in words is "four trillion, two hundred twenty-two billion, two million, forty-three thousand, two hundred twenty-one".