4004220022021 has 8 divisors (see below), whose sum is σ = 4004993307744. Its totient is φ = 4003446833520.

The previous prime is 4004220022001. The next prime is 4004220022051. The reversal of 4004220022021 is 1202200224004.

4004220022021 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4004220022021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4004220022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004220022001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208424106 + ... + 208443316.

It is an arithmetic number, because the mean of its divisors is an integer number (500624163468).

Almost surely, 2^{4004220022021} is an apocalyptic number.

It is an amenable number.

4004220022021 is a deficient number, since it is larger than the sum of its proper divisors (773285723).

4004220022021 is a wasteful number, since it uses less digits than its factorization.

4004220022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48611.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 4004220022021 its reverse (1202200224004), we get a palindrome (5206420246025).

The spelling of 4004220022021 in words is "four trillion, four billion, two hundred twenty million, twenty-two thousand, twenty-one".