22221085273 has 2 divisors, whose sum is σ = 22221085274. Its totient is φ = 22221085272.

The previous prime is 22221085247. The next prime is 22221085291. The reversal of 22221085273 is 37258012222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13905833929 + 8315251344 = 117923^2 + 91188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221085273 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221089273) 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, 11110542636 + 11110542637.

It is an arithmetic number, because the mean of its divisors is an integer number (11110542637).

Almost surely, 2^22221085273 is an apocalyptic number.

It is an amenable number.

22221085273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221085273 is an equidigital number, since it uses as much as digits as its factorization.

22221085273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 22221085273 its reverse (37258012222), we get a palindrome (59479097495).

The spelling of 22221085273 in words is "twenty-two billion, two hundred twenty-one million, eighty-five thousand, two hundred seventy-three".