4004131322 has 16 divisors (see below), whose sum is σ = 6092158632. Its totient is φ = 1973445120.

The previous prime is 4004131309. The next prime is 4004131331. The reversal of 4004131322 is 2231314004.

It can be written as a sum of positive squares in 4 ways, for example, as 2940784441 + 1063346881 = 54229^2 + 32609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4004131294 and 4004131303.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 264338 + ... + 279074.

Almost surely, 2^4004131322 is an apocalyptic number.

4004131322 is a deficient number, since it is larger than the sum of its proper divisors (2088027310).

4004131322 is a wasteful number, since it uses less digits than its factorization.

4004131322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16673.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4004131322 is about 63278.2057425778. The cubic root of 4004131322 is about 1587.9473693343.

Adding to 4004131322 its reverse (2231314004), we get a palindrome (6235445326).

The spelling of 4004131322 in words is "four billion, four million, one hundred thirty-one thousand, three hundred twenty-two".