22213120323221 has 24 divisors (see below), whose sum is σ = 24201166719744. Its totient is φ = 20364200176320.

The previous prime is 22213120323217. The next prime is 22213120323223. The reversal of 22213120323221 is 12232302131222.

It is not a de Polignac number, because 22213120323221 - 2² = 22213120323217 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 (22213120323223) 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 23 ways as a sum of consecutive naturals, for example, 352630490 + ... + 352693476.

It is an arithmetic number, because the mean of its divisors is an integer number (1008381946656).

Almost surely, 2^{22213120323221} is an apocalyptic number.

It is an amenable number.

22213120323221 is a deficient number, since it is larger than the sum of its proper divisors (1988046396523).

22213120323221 is a wasteful number, since it uses less digits than its factorization.

22213120323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94569 (or 94550 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22213120323221 its reverse (12232302131222), we get a palindrome (34445422454443).

The spelling of 22213120323221 in words is "twenty-two trillion, two hundred thirteen billion, one hundred twenty million, three hundred twenty-three thousand, two hundred twenty-one".