6326066221 has 2 divisors, whose sum is σ = 6326066222. Its totient is φ = 6326066220.

The previous prime is 6326066213. The next prime is 6326066269. The reversal of 6326066221 is 1226606236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4908543721 + 1417522500 = 70061^2 + 37650^2 .

It is a cyclic number.

It is not a de Polignac number, because 6326066221 - 2³ = 6326066213 is a prime.

It is a super-2 number, since 2×6326066221² = 80038227664954441682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6326066291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3163033110 + 3163033111.

It is an arithmetic number, because the mean of its divisors is an integer number (3163033111).

Almost surely, 2^6326066221 is an apocalyptic number.

It is an amenable number.

6326066221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6326066221 is an equidigital number, since it uses as much as digits as its factorization.

6326066221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 6326066221 is about 79536.5715944558. The cubic root of 6326066221 is about 1849.4584459168.

The spelling of 6326066221 in words is "six billion, three hundred twenty-six million, sixty-six thousand, two hundred twenty-one".