22340244317 has 2 divisors, whose sum is σ = 22340244318. Its totient is φ = 22340244316.

The previous prime is 22340244299. The next prime is 22340244347. The reversal of 22340244317 is 71344204322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22338590521 + 1653796 = 149461^2 + 1286^2 .

It is a cyclic number.

It is not a de Polignac number, because 22340244317 - 2⁶ = 22340244253 is a prime.

It is a super-2 number, since 2×22340244317² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22340244347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11170122158 + 11170122159.

It is an arithmetic number, because the mean of its divisors is an integer number (11170122159).

Almost surely, 2^22340244317 is an apocalyptic number.

It is an amenable number.

22340244317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22340244317 is an equidigital number, since it uses as much as digits as its factorization.

22340244317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 22340244317 its reverse (71344204322), we get a palindrome (93684448639).

The spelling of 22340244317 in words is "twenty-two billion, three hundred forty million, two hundred forty-four thousand, three hundred seventeen".