4224424200021 has 48 divisors (see below), whose sum is σ = 6222528898560. Its totient is φ = 2761039543680.

The previous prime is 4224424200011. The next prime is 4224424200083. The reversal of 4224424200021 is 1200024244224.

It is not a de Polignac number, because 4224424200021 - 2¹⁰ = 4224424198997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224424200011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 494485276 + ... + 494493818.

It is an arithmetic number, because the mean of its divisors is an integer number (129636018720).

Almost surely, 2^{4224424200021} is an apocalyptic number.

It is an amenable number.

4224424200021 is a deficient number, since it is larger than the sum of its proper divisors (1998104698539).

4224424200021 is a wasteful number, since it uses less digits than its factorization.

4224424200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12426 (or 12423 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 4224424200021 its reverse (1200024244224), we get a palindrome (5424448444245).

The spelling of 4224424200021 in words is "four trillion, two hundred twenty-four billion, four hundred twenty-four million, two hundred thousand, twenty-one".