22240115617 has 2 divisors, whose sum is σ = 22240115618. Its totient is φ = 22240115616.

The previous prime is 22240115609. The next prime is 22240115647. The reversal of 22240115617 is 71651104222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16078493601 + 6161622016 = 126801^2 + 78496^2 .

It is a cyclic number.

It is not a de Polignac number, because 22240115617 - 2³ = 22240115609 is a prime.

It is not a weakly prime, because it can be changed into another prime (22240115647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120057808 + 11120057809.

It is an arithmetic number, because the mean of its divisors is an integer number (11120057809).

Almost surely, 2^22240115617 is an apocalyptic number.

It is an amenable number.

22240115617 is a deficient number, since it is larger than the sum of its proper divisors (1).

22240115617 is an equidigital number, since it uses as much as digits as its factorization.

22240115617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 22240115617 its reverse (71651104222), we get a palindrome (93891219839).

The spelling of 22240115617 in words is "twenty-two billion, two hundred forty million, one hundred fifteen thousand, six hundred seventeen".