22132443252305 has 24 divisors (see below), whose sum is σ = 27239204032488. Its totient is φ = 17261873722368.

The previous prime is 22132443252301. The next prime is 22132443252313. The reversal of 22132443252305 is 50325234423122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15513449809 + 22116929802496 = 124553^2 + 4702864^2 .

It is not a de Polignac number, because 22132443252305 - 2² = 22132443252301 is a prime.

It is a super-2 number, since 2×22132443252305² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22132443252301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2905694 + ... + 7260023.

It is an arithmetic number, because the mean of its divisors is an integer number (1134966834687).

Almost surely, 2^{22132443252305} is an apocalyptic number.

It is an amenable number.

22132443252305 is a deficient number, since it is larger than the sum of its proper divisors (5106760780183).

22132443252305 is an equidigital number, since it uses as much as digits as its factorization.

22132443252305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165953 (or 10165886 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 22132443252305 its reverse (50325234423122), we get a palindrome (72457677675427).

The spelling of 22132443252305 in words is "twenty-two trillion, one hundred thirty-two billion, four hundred forty-three million, two hundred fifty-two thousand, three hundred five".