22241137 has 2 divisors, whose sum is σ = 22241138. Its totient is φ = 22241136.

The previous prime is 22241113. The next prime is 22241143. The reversal of 22241137 is 73114222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 1846881 = 4516^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 22241137 - 2²³ = 13852529 is a prime.

It is a Chen prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (22241237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120568 + 11120569.

It is an arithmetic number, because the mean of its divisors is an integer number (11120569).

Almost surely, 2^22241137 is an apocalyptic number.

It is an amenable number.

22241137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241137 is an equidigital number, since it uses as much as digits as its factorization.

22241137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 22.

The square root of 22241137 is about 4716.0509963316. The cubic root of 22241137 is about 281.2239658536.

Subtracting from 22241137 its sum of digits (22), we obtain a triangular number (22241115 = T₆₆₆₉).

Adding to 22241137 its reverse (73114222), we get a palindrome (95355359).

The spelling of 22241137 in words is "twenty-two million, two hundred forty-one thousand, one hundred thirty-seven".