4004224420 has 24 divisors (see below), whose sum is σ = 9610138944. Its totient is φ = 1372876896.

The previous prime is 4004224373. The next prime is 4004224439. The reversal of 4004224420 is 244224004.

It is a junction number, because it is equal to n+sod(n) for n = 4004224391 and 4004224400.

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, 14300662 + ... + 14300941.

It is an arithmetic number, because the mean of its divisors is an integer number (400422456).

Almost surely, 2^4004224420 is an apocalyptic number.

It is an amenable number.

4004224420 is an abundant number, since it is smaller than the sum of its proper divisors (5605914524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4004224420 is a wasteful number, since it uses less digits than its factorization.

4004224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28601619 (or 28601617 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4004224420 is about 63278.9413628262. The cubic root of 4004224420 is about 1587.9596760884.

Adding to 4004224420 its reverse (244224004), we get a palindrome (4248448424).

The spelling of 4004224420 in words is "four billion, four million, two hundred twenty-four thousand, four hundred twenty".