2220044344221 has 64 divisors (see below), whose sum is σ = 3369776256000. Its totient is φ = 1287724838400.

The previous prime is 2220044344169. The next prime is 2220044344229. The reversal of 2220044344221 is 1224434400222.

It is a happy number.

2220044344221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220044344221 - 2⁶ = 2220044344157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220044344229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117459430 + ... + 117478328.

It is an arithmetic number, because the mean of its divisors is an integer number (52652754000).

Almost surely, 2^{2220044344221} is an apocalyptic number.

It is an amenable number.

2220044344221 is a deficient number, since it is larger than the sum of its proper divisors (1149731911779).

2220044344221 is a wasteful number, since it uses less digits than its factorization.

2220044344221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20010.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 2220044344221 its reverse (1224434400222), we get a palindrome (3444478744443).

The spelling of 2220044344221 in words is "two trillion, two hundred twenty billion, forty-four million, three hundred forty-four thousand, two hundred twenty-one".