4022220372181 has 32 divisors (see below), whose sum is σ = 4467344918400. Its totient is φ = 3591033120000.

The previous prime is 4022220372179. The next prime is 4022220372199. The reversal of 4022220372181 is 1812730222204.

4022220372181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4022220372181 - 2¹ = 4022220372179 is a prime.

It is a super-2 number, since 2×4022220372181² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022220372481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78198690 + ... + 78250108.

It is an arithmetic number, because the mean of its divisors is an integer number (139604528700).

Almost surely, 2^{4022220372181} is an apocalyptic number.

It is an amenable number.

4022220372181 is a deficient number, since it is larger than the sum of its proper divisors (445124546219).

4022220372181 is a wasteful number, since it uses less digits than its factorization.

4022220372181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52101.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 4022220372181 its reverse (1812730222204), we get a palindrome (5834950594385).

The spelling of 4022220372181 in words is "four trillion, twenty-two billion, two hundred twenty million, three hundred seventy-two thousand, one hundred eighty-one".