6222756121 has 2 divisors, whose sum is σ = 6222756122. Its totient is φ = 6222756120.

The previous prime is 6222756103. The next prime is 6222756167. The reversal of 6222756121 is 1216572226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3129171721 + 3093584400 = 55939^2 + 55620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6222756121 is a prime.

It is not a weakly prime, because it can be changed into another prime (6222759121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111378060 + 3111378061.

It is an arithmetic number, because the mean of its divisors is an integer number (3111378061).

Almost surely, 2^6222756121 is an apocalyptic number.

It is an amenable number.

6222756121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6222756121 is an equidigital number, since it uses as much as digits as its factorization.

6222756121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 6222756121 is about 78884.4479032464. The cubic root of 6222756121 is about 1839.3353894011.

The spelling of 6222756121 in words is "six billion, two hundred twenty-two million, seven hundred fifty-six thousand, one hundred twenty-one".