11222345617 has 8 divisors (see below), whose sum is σ = 13098422016. Its totient is φ = 9414490272.

The previous prime is 11222345593. The next prime is 11222345647. The reversal of 11222345617 is 71654322211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222345617 is a prime.

It is a super-2 number, since 2×11222345617² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222345647) 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 in 7 ways as a sum of consecutive naturals, for example, 17054908 + ... + 17055565.

It is an arithmetic number, because the mean of its divisors is an integer number (1637302752).

Almost surely, 2^11222345617 is an apocalyptic number.

It is an amenable number.

11222345617 is a deficient number, since it is larger than the sum of its proper divisors (1876076399).

11222345617 is an equidigital number, since it uses as much as digits as its factorization.

11222345617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34110527.

The product of its digits is 20160, while the sum is 34.

Adding to 11222345617 its reverse (71654322211), we get a palindrome (82876667828).

The spelling of 11222345617 in words is "eleven billion, two hundred twenty-two million, three hundred forty-five thousand, six hundred seventeen".