6602226021 has 12 divisors (see below), whose sum is σ = 9541803648. Its totient is φ = 4399058664.

The previous prime is 6602226013. The next prime is 6602226053. The reversal of 6602226021 is 1206222066.

It is not a de Polignac number, because 6602226021 - 2³ = 6602226013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6602226011) 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, 184795 + ... + 217608.

It is an arithmetic number, because the mean of its divisors is an integer number (795150304).

Almost surely, 2^6602226021 is an apocalyptic number.

It is an amenable number.

6602226021 is a deficient number, since it is larger than the sum of its proper divisors (2939577627).

6602226021 is a wasteful number, since it uses less digits than its factorization.

6602226021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404232 (or 404229 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6602226021 is about 81254.0831035586. The cubic root of 6602226021 is about 1875.9883165114.

Adding to 6602226021 its reverse (1206222066), we get a palindrome (7808448087).

The spelling of 6602226021 in words is "six billion, six hundred two million, two hundred twenty-six thousand, twenty-one".