4004442222420 has 24 divisors (see below), whose sum is σ = 11212438222944. Its totient is φ = 1067851259296.

The previous prime is 4004442222397. The next prime is 4004442222421. The reversal of 4004442222420 is 242222444004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004442222421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33370351794 + ... + 33370351913.

It is an arithmetic number, because the mean of its divisors is an integer number (467184925956).

Almost surely, 2^{4004442222420} is an apocalyptic number.

It is an amenable number.

4004442222420 is an abundant number, since it is smaller than the sum of its proper divisors (7207996000524).

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

4004442222420 is a wasteful number, since it uses less digits than its factorization.

4004442222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66740703719 (or 66740703717 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 4004442222420 its reverse (242222444004), we get a palindrome (4246664666424).

The spelling of 4004442222420 in words is "four trillion, four billion, four hundred forty-two million, two hundred twenty-two thousand, four hundred twenty".