44122312181 has 2 divisors, whose sum is σ = 44122312182. Its totient is φ = 44122312180.

The previous prime is 44122312139. The next prime is 44122312211. The reversal of 44122312181 is 18121322144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35281611556 + 8840700625 = 187834^2 + 94025^2 .

It is a cyclic number.

It is not a de Polignac number, because 44122312181 - 2²⁶ = 44055203317 is a prime.

It is a super-2 number, since 2×44122312181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44122312111) 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, 22061156090 + 22061156091.

It is an arithmetic number, because the mean of its divisors is an integer number (22061156091).

Almost surely, 2^44122312181 is an apocalyptic number.

It is an amenable number.

44122312181 is a deficient number, since it is larger than the sum of its proper divisors (1).

44122312181 is an equidigital number, since it uses as much as digits as its factorization.

44122312181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 29.

The spelling of 44122312181 in words is "forty-four billion, one hundred twenty-two million, three hundred twelve thousand, one hundred eighty-one".