22253521333243 has 12 divisors (see below), whose sum is σ = 22577373680680. Its totient is φ = 21934251531360.

The previous prime is 22253521333223. The next prime is 22253521333361. The reversal of 22253521333243 is 34233312535222.

It is a de Polignac number, because none of the positive numbers 2^k-22253521333243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22253521333196 and 22253521333205.

It is not an unprimeable number, because it can be changed into a prime (22253521333223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18413896 + ... + 19585162.

Almost surely, 2^{22253521333243} is an apocalyptic number.

22253521333243 is a deficient number, since it is larger than the sum of its proper divisors (323852347437).

22253521333243 is an equidigital number, since it uses as much as digits as its factorization.

22253521333243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175178 (or 1175107 counting only the distinct ones).

The product of its digits is 777600, while the sum is 40.

Adding to 22253521333243 its reverse (34233312535222), we get a palindrome (56486833868465).

The spelling of 22253521333243 in words is "twenty-two trillion, two hundred fifty-three billion, five hundred twenty-one million, three hundred thirty-three thousand, two hundred forty-three".