22442314217 has 2 divisors, whose sum is σ = 22442314218. Its totient is φ = 22442314216.

The previous prime is 22442314211. The next prime is 22442314249. The reversal of 22442314217 is 71241324422.

It is an a-pointer prime, because the next prime (22442314249) can be obtained adding 22442314217 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18908725081 + 3533589136 = 137509^2 + 59444^2 .

It is a cyclic number.

It is not a de Polignac number, because 22442314217 - 2⁴ = 22442314201 is a prime.

It is not a weakly prime, because it can be changed into another prime (22442314211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221157108 + 11221157109.

It is an arithmetic number, because the mean of its divisors is an integer number (11221157109).

Almost surely, 2^22442314217 is an apocalyptic number.

It is an amenable number.

22442314217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442314217 is an equidigital number, since it uses as much as digits as its factorization.

22442314217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 32.

Adding to 22442314217 its reverse (71241324422), we get a palindrome (93683638639).

The spelling of 22442314217 in words is "twenty-two billion, four hundred forty-two million, three hundred fourteen thousand, two hundred seventeen".