4220344224181 has 2 divisors, whose sum is σ = 4220344224182. Its totient is φ = 4220344224180.

The previous prime is 4220344224023. The next prime is 4220344224227. The reversal of 4220344224181 is 1814224430224.

4220344224181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3496413816900 + 723930407281 = 1869870^2 + 850841^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220344224181 - 2¹⁷ = 4220344093109 is a prime.

It is a super-2 number, since 2×4220344224181² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4220344224181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220344264181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110172112090 + 2110172112091.

It is an arithmetic number, because the mean of its divisors is an integer number (2110172112091).

Almost surely, 2^{4220344224181} is an apocalyptic number.

It is an amenable number.

4220344224181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220344224181 is an equidigital number, since it uses as much as digits as its factorization.

4220344224181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98304, while the sum is 37.

The spelling of 4220344224181 in words is "four trillion, two hundred twenty billion, three hundred forty-four million, two hundred twenty-four thousand, one hundred eighty-one".