4021444421022 has 16 divisors (see below), whose sum is σ = 9191872962432. Its totient is φ = 1148984120280.

The previous prime is 4021444421017. The next prime is 4021444421023. The reversal of 4021444421022 is 2201244441204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444421023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47874338304 + ... + 47874338387.

It is an arithmetic number, because the mean of its divisors is an integer number (574492060152).

Almost surely, 2^{4021444421022} is an apocalyptic number.

4021444421022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4021444421022 is an abundant number, since it is smaller than the sum of its proper divisors (5170428541410).

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

4021444421022 is a wasteful number, since it uses less digits than its factorization.

4021444421022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95748676703.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 4021444421022 its reverse (2201244441204), we get a palindrome (6222688862226).

The spelling of 4021444421022 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred twenty-one thousand, twenty-two".