2220244024421 has 16 divisors (see below), whose sum is σ = 2234992435200. Its totient is φ = 2205557128320.

The previous prime is 2220244024393. The next prime is 2220244024423. The reversal of 2220244024421 is 1244204420222.

It is a cyclic number.

It is not a de Polignac number, because 2220244024421 - 2¹⁰ = 2220244023397 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 (2220244024423) 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, 121761521 + ... + 121779753.

It is an arithmetic number, because the mean of its divisors is an integer number (139687027200).

Almost surely, 2^{2220244024421} is an apocalyptic number.

It is an amenable number.

2220244024421 is a deficient number, since it is larger than the sum of its proper divisors (14748410779).

2220244024421 is a wasteful number, since it uses less digits than its factorization.

2220244024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19876.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 2220244024421 its reverse (1244204420222), we get a palindrome (3464448444643).

The spelling of 2220244024421 in words is "two trillion, two hundred twenty billion, two hundred forty-four million, twenty-four thousand, four hundred twenty-one".