50122222217 has 2 divisors, whose sum is σ = 50122222218. Its totient is φ = 50122222216.

The previous prime is 50122222201. The next prime is 50122222237. The reversal of 50122222217 is 71222222105.

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., 50027821561 + 94400656 = 223669^2 + 9716^2 .

It is a cyclic number.

It is not a de Polignac number, because 50122222217 - 2⁴ = 50122222201 is a prime.

It is a super-3 number, since 3×50122222217³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (50122222237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25061111108 + 25061111109.

It is an arithmetic number, because the mean of its divisors is an integer number (25061111109).

Almost surely, 2^50122222217 is an apocalyptic number.

It is an amenable number.

50122222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50122222217 is an equidigital number, since it uses as much as digits as its factorization.

50122222217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The spelling of 50122222217 in words is "fifty billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred seventeen".