22340240017 has 2 divisors, whose sum is σ = 22340240018. Its totient is φ = 22340240016.

The previous prime is 22340240003. The next prime is 22340240057. The reversal of 22340240017 is 71004204322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21821493841 + 518746176 = 147721^2 + 22776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22340240017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22340239973 and 22340240000.

It is not a weakly prime, because it can be changed into another prime (22340240057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11170120008 + 11170120009.

It is an arithmetic number, because the mean of its divisors is an integer number (11170120009).

Almost surely, 2^22340240017 is an apocalyptic number.

It is an amenable number.

22340240017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22340240017 is an equidigital number, since it uses as much as digits as its factorization.

22340240017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 22340240017 its reverse (71004204322), we get a palindrome (93344444339).

The spelling of 22340240017 in words is "twenty-two billion, three hundred forty million, two hundred forty thousand, seventeen".