22210243304221 has 16 divisors (see below), whose sum is σ = 25731417817600. Its totient is φ = 18776150967168.

The previous prime is 22210243304219. The next prime is 22210243304269. The reversal of 22210243304221 is 12240334201222.

It is not a de Polignac number, because 22210243304221 - 2¹ = 22210243304219 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 22210243304221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210243304201) 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, 23882140 + ... + 24794698.

It is an arithmetic number, because the mean of its divisors is an integer number (1608213613600).

Almost surely, 2^{22210243304221} is an apocalyptic number.

It is an amenable number.

22210243304221 is a deficient number, since it is larger than the sum of its proper divisors (3521174513379).

22210243304221 is an equidigital number, since it uses as much as digits as its factorization.

22210243304221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960268.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22210243304221 its reverse (12240334201222), we get a palindrome (34450577505443).

The spelling of 22210243304221 in words is "twenty-two trillion, two hundred ten billion, two hundred forty-three million, three hundred four thousand, two hundred twenty-one".