6222030021 has 12 divisors (see below), whose sum is σ = 8988135520. Its totient is φ = 4147669800.

The previous prime is 6222030019. The next prime is 6222030037. The reversal of 6222030021 is 1200302226.

6222030021 is a `hidden beast` number, since 622 + 20 + 3 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 6222030021 - 2¹ = 6222030019 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6222029976 and 6222030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6222030091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127746 + ... + 169596.

Almost surely, 2^6222030021 is an apocalyptic number.

It is an amenable number.

6222030021 is a deficient number, since it is larger than the sum of its proper divisors (2766105499).

6222030021 is a wasteful number, since it uses less digits than its factorization.

6222030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58376 (or 58373 counting only the distinct ones).

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

The square root of 6222030021 is about 78879.8454676478. The cubic root of 6222030021 is about 1839.2638458948.

Adding to 6222030021 its reverse (1200302226), we get a palindrome (7422332247).

The spelling of 6222030021 in words is "six billion, two hundred twenty-two million, thirty thousand, twenty-one".