4224053021 has 8 divisors (see below), whose sum is σ = 4301337600. Its totient is φ = 4146958240.

The previous prime is 4224052993. The next prime is 4224053027. The reversal of 4224053021 is 1203504224.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4224053021 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 (4224053027) 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, 2141 + ... + 91938.

It is an arithmetic number, because the mean of its divisors is an integer number (537667200).

Almost surely, 2^4224053021 is an apocalyptic number.

It is an amenable number.

4224053021 is a deficient number, since it is larger than the sum of its proper divisors (77284579).

4224053021 is an equidigital number, since it uses as much as digits as its factorization.

4224053021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94899.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4224053021 is about 64992.7151379291. The cubic root of 4224053021 is about 1616.5027718123.

Adding to 4224053021 its reverse (1203504224), we get a palindrome (5427557245).

The spelling of 4224053021 in words is "four billion, two hundred twenty-four million, fifty-three thousand, twenty-one".