4022423181 has 36 divisors (see below), whose sum is σ = 6886329372. Its totient is φ = 2255145984.

The previous prime is 4022423179. The next prime is 4022423233. The reversal of 4022423181 is 1813242204.

4022423181 is a `hidden beast` number, since 40 + 22 + 423 + 181 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2038522500 + 1983900681 = 45150^2 + 44541^2 .

It is not a de Polignac number, because 4022423181 - 2¹ = 4022423179 is a prime.

It is a super-2 number, since 2×4022423181² = 32359776494092317522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022423081) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62676 + ... + 109421.

It is an arithmetic number, because the mean of its divisors is an integer number (191286927).

Almost surely, 2^4022423181 is an apocalyptic number.

It is an amenable number.

4022423181 is a deficient number, since it is larger than the sum of its proper divisors (2863906191).

4022423181 is a wasteful number, since it uses less digits than its factorization.

4022423181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172170 (or 172160 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4022423181 is about 63422.5762721761. The cubic root of 4022423181 is about 1590.3617415931.

Adding to 4022423181 its reverse (1813242204), we get a palindrome (5835665385).

The spelling of 4022423181 in words is "four billion, twenty-two million, four hundred twenty-three thousand, one hundred eighty-one".