22221135235373 has 2 divisors, whose sum is σ = 22221135235374. Its totient is φ = 22221135235372.

The previous prime is 22221135235337. The next prime is 22221135235393. The reversal of 22221135235373 is 37353253112222.

Together with previous prime (22221135235337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16796251412329 + 5424883823044 = 4098323^2 + 2329138^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221135235373 - 2¹⁶ = 22221135169837 is a prime.

It is a super-2 number, since 2×22221135235373² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22221135235373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221135235393) 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, 11110567617686 + 11110567617687.

It is an arithmetic number, because the mean of its divisors is an integer number (11110567617687).

Almost surely, 2^{22221135235373} is an apocalyptic number.

It is an amenable number.

22221135235373 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221135235373 is an equidigital number, since it uses as much as digits as its factorization.

22221135235373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 41.

Adding to 22221135235373 its reverse (37353253112222), we get a palindrome (59574388347595).

The spelling of 22221135235373 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred thirty-five million, two hundred thirty-five thousand, three hundred seventy-three".