22004320553 has 2 divisors, whose sum is σ = 22004320554. Its totient is φ = 22004320552.

The previous prime is 22004320529. The next prime is 22004320561. The reversal of 22004320553 is 35502340022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21798455449 + 205865104 = 147643^2 + 14348^2 .

It is a cyclic number.

It is not a de Polignac number, because 22004320553 - 2¹⁶ = 22004255017 is a prime.

It is not a weakly prime, because it can be changed into another prime (22004320523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002160276 + 11002160277.

It is an arithmetic number, because the mean of its divisors is an integer number (11002160277).

Almost surely, 2^22004320553 is an apocalyptic number.

It is an amenable number.

22004320553 is a deficient number, since it is larger than the sum of its proper divisors (1).

22004320553 is an equidigital number, since it uses as much as digits as its factorization.

22004320553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 22004320553 its reverse (35502340022), we get a palindrome (57506660575).

The spelling of 22004320553 in words is "twenty-two billion, four million, three hundred twenty thousand, five hundred fifty-three".