22442117 has 2 divisors, whose sum is σ = 22442118. Its totient is φ = 22442116.

The previous prime is 22442113. The next prime is 22442149. The reversal of 22442117 is 71124422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16532356 + 5909761 = 4066^2 + 2431^2 .

It is a cyclic number.

It is not a de Polignac number, because 22442117 - 2² = 22442113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22442092 and 22442101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22442111) 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, 11221058 + 11221059.

It is an arithmetic number, because the mean of its divisors is an integer number (11221059).

Almost surely, 2^22442117 is an apocalyptic number.

It is an amenable number.

22442117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442117 is an equidigital number, since it uses as much as digits as its factorization.

22442117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 23.

The square root of 22442117 is about 4737.3111571861. The cubic root of 22442117 is about 282.0685119320.

Adding to 22442117 its reverse (71124422), we get a palindrome (93566539).

The spelling of 22442117 in words is "twenty-two million, four hundred forty-two thousand, one hundred seventeen".