4422344021 has 4 divisors (see below), whose sum is σ = 4614619872. Its totient is φ = 4230068172.

The previous prime is 4422343979. The next prime is 4422344027. The reversal of 4422344021 is 1204432244.

It is a happy number.

4422344021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4422344021 - 2¹⁰ = 4422342997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422344027) 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, 96137891 + ... + 96137936.

It is an arithmetic number, because the mean of its divisors is an integer number (1153654968).

Almost surely, 2^4422344021 is an apocalyptic number.

It is an amenable number.

4422344021 is a deficient number, since it is larger than the sum of its proper divisors (192275851).

4422344021 is a wasteful number, since it uses less digits than its factorization.

4422344021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192275850.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4422344021 is about 66500.7069210546. The cubic root of 4422344021 is about 1641.4116366763.

Adding to 4422344021 its reverse (1204432244), we get a palindrome (5626776265).

The spelling of 4422344021 in words is "four billion, four hundred twenty-two million, three hundred forty-four thousand, twenty-one".