4021444443422 has 8 divisors (see below), whose sum is σ = 6893904760176. Its totient is φ = 1723476190032.

The previous prime is 4021444443377. The next prime is 4021444443437. The reversal of 4021444443422 is 2243444441204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143623015823 + ... + 143623015850.

It is an arithmetic number, because the mean of its divisors is an integer number (861738095022).

Almost surely, 2^{4021444443422} is an apocalyptic number.

4021444443422 is a deficient number, since it is larger than the sum of its proper divisors (2872460316754).

4021444443422 is a wasteful number, since it uses less digits than its factorization.

4021444443422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287246031682.

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 4021444443422 its reverse (2243444441204), we get a palindrome (6264888884626).

The spelling of 4021444443422 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-three thousand, four hundred twenty-two".