4225443421 has 8 divisors (see below), whose sum is σ = 4457884320. Its totient is φ = 3994007472.

The previous prime is 4225443407. The next prime is 4225443427. The reversal of 4225443421 is 1243445224.

4225443421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4225443421 - 2⁵ = 4225443389 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 (4225443427) 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, 242590 + ... + 259423.

It is an arithmetic number, because the mean of its divisors is an integer number (557235540).

Almost surely, 2^4225443421 is an apocalyptic number.

It is an amenable number.

4225443421 is a deficient number, since it is larger than the sum of its proper divisors (232440899).

4225443421 is a wasteful number, since it uses less digits than its factorization.

4225443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502475.

The product of its digits is 30720, while the sum is 31.

The square root of 4225443421 is about 65003.4108412782. The cubic root of 4225443421 is about 1616.6801164054.

Adding to 4225443421 its reverse (1243445224), we get a palindrome (5468888645).

The spelling of 4225443421 in words is "four billion, two hundred twenty-five million, four hundred forty-three thousand, four hundred twenty-one".