22435424321 has 2 divisors, whose sum is σ = 22435424322. Its totient is φ = 22435424320.

The previous prime is 22435424281. The next prime is 22435424339. The reversal of 22435424321 is 12342453422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14942617600 + 7492806721 = 122240^2 + 86561^2 .

It is a cyclic number.

It is not a de Polignac number, because 22435424321 - 2³⁰ = 21361682497 is a prime.

It is a super-2 number, since 2×22435424321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22435423321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217712160 + 11217712161.

It is an arithmetic number, because the mean of its divisors is an integer number (11217712161).

Almost surely, 2^22435424321 is an apocalyptic number.

It is an amenable number.

22435424321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22435424321 is an equidigital number, since it uses as much as digits as its factorization.

22435424321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 32.

Adding to 22435424321 its reverse (12342453422), we get a palindrome (34777877743).

The spelling of 22435424321 in words is "twenty-two billion, four hundred thirty-five million, four hundred twenty-four thousand, three hundred twenty-one".