4224223421 has 4 divisors (see below), whose sum is σ = 4608243744. Its totient is φ = 3840203100.

The previous prime is 4224223369. The next prime is 4224223439. The reversal of 4224223421 is 1243224224.

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 4224223421 - 2⁶ = 4224223357 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 (4224223441) 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, 192010145 + ... + 192010166.

It is an arithmetic number, because the mean of its divisors is an integer number (1152060936).

Almost surely, 2^4224223421 is an apocalyptic number.

It is an amenable number.

4224223421 is a deficient number, since it is larger than the sum of its proper divisors (384020323).

4224223421 is a wasteful number, since it uses less digits than its factorization.

4224223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384020322.

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

The square root of 4224223421 is about 64994.0260408601. The cubic root of 4224223421 is about 1616.5245083110.

Adding to 4224223421 its reverse (1243224224), we get a palindrome (5467447645).

The spelling of 4224223421 in words is "four billion, two hundred twenty-four million, two hundred twenty-three thousand, four hundred twenty-one".