2242421102221 has 4 divisors (see below), whose sum is σ = 2242426440672. Its totient is φ = 2242415763772.

The previous prime is 2242421102213. The next prime is 2242421102281. The reversal of 2242421102221 is 1222011242422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2242421102221 - 2³ = 2242421102213 is a prime.

It is a super-2 number, since 2×2242421102221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242421102281) 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 3 ways as a sum of consecutive naturals, for example, 1979791 + ... + 2899036.

It is an arithmetic number, because the mean of its divisors is an integer number (560606610168).

Almost surely, 2^{2242421102221} is an apocalyptic number.

It is an amenable number.

2242421102221 is a deficient number, since it is larger than the sum of its proper divisors (5338451).

2242421102221 is an equidigital number, since it uses as much as digits as its factorization.

2242421102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338450.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 2242421102221 its reverse (1222011242422), we get a palindrome (3464432344643).

The spelling of 2242421102221 in words is "two trillion, two hundred forty-two billion, four hundred twenty-one million, one hundred two thousand, two hundred twenty-one".