22221050333 has 2 divisors, whose sum is σ = 22221050334. Its totient is φ = 22221050332.

The previous prime is 22221050311. The next prime is 22221050339. The reversal of 22221050333 is 33305012222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21198777604 + 1022272729 = 145598^2 + 31973^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221050333 - 2²⁰ = 22220001757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221050299 and 22221050308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221050339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110525166 + 11110525167.

It is an arithmetic number, because the mean of its divisors is an integer number (11110525167).

Almost surely, 2^22221050333 is an apocalyptic number.

It is an amenable number.

22221050333 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221050333 is an equidigital number, since it uses as much as digits as its factorization.

22221050333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 22221050333 its reverse (33305012222), we get a palindrome (55526062555).

The spelling of 22221050333 in words is "twenty-two billion, two hundred twenty-one million, fifty thousand, three hundred thirty-three".