4302021021 has 16 divisors (see below), whose sum is σ = 6074979840. Its totient is φ = 2700390960.

The previous prime is 4302021019. The next prime is 4302021029. The reversal of 4302021021 is 1201202034.

It is not a de Polignac number, because 4302021021 - 2¹ = 4302021019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4302021029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222225 + ... + 240806.

It is an arithmetic number, because the mean of its divisors is an integer number (379686240).

Almost surely, 2^4302021021 is an apocalyptic number.

It is an amenable number.

4302021021 is a deficient number, since it is larger than the sum of its proper divisors (1772958819).

4302021021 is a wasteful number, since it uses less digits than its factorization.

4302021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463216.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4302021021 is about 65589.7935733907. The cubic root of 4302021021 is about 1626.3880553120.

Adding to 4302021021 its reverse (1201202034), we get a palindrome (5503223055).

The spelling of 4302021021 in words is "four billion, three hundred two million, twenty-one thousand, twenty-one".