11272222417 has 2 divisors, whose sum is σ = 11272222418. Its totient is φ = 11272222416.

The previous prime is 11272222399. The next prime is 11272222469. The reversal of 11272222417 is 71422227211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10947646161 + 324576256 = 104631^2 + 18016^2 .

It is a cyclic number.

It is not a de Polignac number, because 11272222417 - 2³¹ = 9124738769 is a prime.

It is not a weakly prime, because it can be changed into another prime (11272222517) 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, 5636111208 + 5636111209.

It is an arithmetic number, because the mean of its divisors is an integer number (5636111209).

Almost surely, 2^11272222417 is an apocalyptic number.

It is an amenable number.

11272222417 is a deficient number, since it is larger than the sum of its proper divisors (1).

11272222417 is an equidigital number, since it uses as much as digits as its factorization.

11272222417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 31.

Adding to 11272222417 its reverse (71422227211), we get a palindrome (82694449628).

The spelling of 11272222417 in words is "eleven billion, two hundred seventy-two million, two hundred twenty-two thousand, four hundred seventeen".