4322310021 has 12 divisors (see below), whose sum is σ = 6376174272. Its totient is φ = 2820230376.

The previous prime is 4322309989. The next prime is 4322310043. The reversal of 4322310021 is 1200132234.

4322310021 is a `hidden beast` number, since 432 + 231 + 0 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 4322310021 - 2⁵ = 4322309989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4322309976 and 4322310003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4322314021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5108691 + ... + 5109536.

It is an arithmetic number, because the mean of its divisors is an integer number (531347856).

Almost surely, 2^4322310021 is an apocalyptic number.

It is an amenable number.

4322310021 is a deficient number, since it is larger than the sum of its proper divisors (2053864251).

4322310021 is a wasteful number, since it uses less digits than its factorization.

4322310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218280 (or 10218277 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4322310021 is about 65744.2774772071. The cubic root of 4322310021 is about 1628.9408127525.

Adding to 4322310021 its reverse (1200132234), we get a palindrome (5522442255).

The spelling of 4322310021 in words is "four billion, three hundred twenty-two million, three hundred ten thousand, twenty-one".