4004420331 has 4 divisors (see below), whose sum is σ = 5339227112. Its totient is φ = 2669613552.

The previous prime is 4004420327. The next prime is 4004420333. The reversal of 4004420331 is 1330244004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4004420331 - 2² = 4004420327 is a prime.

It is a super-2 number, since 2×4004420331² = 32070764374652299122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4004420298 and 4004420307.

It is not an unprimeable number, because it can be changed into a prime (4004420333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667403386 + ... + 667403391.

It is an arithmetic number, because the mean of its divisors is an integer number (1334806778).

Almost surely, 2^4004420331 is an apocalyptic number.

4004420331 is a deficient number, since it is larger than the sum of its proper divisors (1334806781).

4004420331 is a wasteful number, since it uses less digits than its factorization.

4004420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334806780.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4004420331 is about 63280.4893391320. The cubic root of 4004420331 is about 1587.9855732129.

Adding to 4004420331 its reverse (1330244004), we get a palindrome (5334664335).

The spelling of 4004420331 in words is "four billion, four million, four hundred twenty thousand, three hundred thirty-one".