22215552103541 has 2 divisors, whose sum is σ = 22215552103542. Its totient is φ = 22215552103540.

The previous prime is 22215552103483. The next prime is 22215552103561. The reversal of 22215552103541 is 14530125551222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18141815381041 + 4073736722500 = 4259321^2 + 2018350^2 .

It is a cyclic number.

It is not a de Polignac number, because 22215552103541 - 2³⁰ = 22214478361717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22215552103495 and 22215552103504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22215552103561) 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 as a sum of consecutive naturals, namely, 11107776051770 + 11107776051771.

It is an arithmetic number, because the mean of its divisors is an integer number (11107776051771).

Almost surely, 2^{22215552103541} is an apocalyptic number.

It is an amenable number.

22215552103541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22215552103541 is an equidigital number, since it uses as much as digits as its factorization.

22215552103541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 22215552103541 its reverse (14530125551222), we get a palindrome (36745677654763).

The spelling of 22215552103541 in words is "twenty-two trillion, two hundred fifteen billion, five hundred fifty-two million, one hundred three thousand, five hundred forty-one".