22242133351221 has 16 divisors (see below), whose sum is σ = 33892924252800. Its totient is φ = 12709734378048.

The previous prime is 22242133351213. The next prime is 22242133351223. The reversal of 22242133351221 is 12215333124222.

It is not a de Polignac number, because 22242133351221 - 2³ = 22242133351213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242133351223) 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, 2794395 + ... + 7231383.

It is an arithmetic number, because the mean of its divisors is an integer number (2118307765800).

Almost surely, 2^{22242133351221} is an apocalyptic number.

22242133351221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22242133351221 is a deficient number, since it is larger than the sum of its proper divisors (11650790901579).

22242133351221 is a wasteful number, since it uses less digits than its factorization.

22242133351221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675708.

The product of its digits is 34560, while the sum is 33.

Adding to 22242133351221 its reverse (12215333124222), we get a palindrome (34457466475443).

The spelling of 22242133351221 in words is "twenty-two trillion, two hundred forty-two billion, one hundred thirty-three million, three hundred fifty-one thousand, two hundred twenty-one".