4224135021 has 8 divisors (see below), whose sum is σ = 5632777920. Its totient is φ = 2815791072.

The previous prime is 4224135001. The next prime is 4224135037. The reversal of 4224135021 is 1205314224.

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

It is not a de Polignac number, because 4224135021 - 2¹¹ = 4224132973 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4224134982 and 4224135000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224135001) 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, 39376 + ... + 99993.

It is an arithmetic number, because the mean of its divisors is an integer number (704097240).

Almost surely, 2^4224135021 is an apocalyptic number.

It is an amenable number.

4224135021 is a deficient number, since it is larger than the sum of its proper divisors (1408642899).

4224135021 is a wasteful number, since it uses less digits than its factorization.

4224135021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149475.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4224135021 is about 64993.3459747996. The cubic root of 4224135021 is about 1616.5132319375.

Adding to 4224135021 its reverse (1205314224), we get a palindrome (5429449245).

The spelling of 4224135021 in words is "four billion, two hundred twenty-four million, one hundred thirty-five thousand, twenty-one".