22132241 has 2 divisors, whose sum is σ = 22132242. Its totient is φ = 22132240.

The previous prime is 22132237. The next prime is 22132259. The reversal of 22132241 is 14223122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20214016 + 1918225 = 4496^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 22132241 - 2² = 22132237 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066120 + 11066121.

It is an arithmetic number, because the mean of its divisors is an integer number (11066121).

Almost surely, 2^22132241 is an apocalyptic number.

It is an amenable number.

22132241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22132241 is an equidigital number, since it uses as much as digits as its factorization.

22132241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 17.

The square root of 22132241 is about 4704.4915772058. The cubic root of 22132241 is about 280.7642429300.

Adding to 22132241 its reverse (14223122), we get a palindrome (36355363).

The spelling of 22132241 in words is "twenty-two million, one hundred thirty-two thousand, two hundred forty-one".