6222951989 has 2 divisors, whose sum is σ = 6222951990. Its totient is φ = 6222951988.

The previous prime is 6222951961. The next prime is 6222952003. The reversal of 6222951989 is 9891592226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3530379889 + 2692572100 = 59417^2 + 51890^2 .

It is a cyclic number.

It is not a de Polignac number, because 6222951989 - 2⁸ = 6222951733 is a prime.

It is a super-2 number, since 2×6222951989² = 77450262914798112242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6222951989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6222951389) 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, 3111475994 + 3111475995.

It is an arithmetic number, because the mean of its divisors is an integer number (3111475995).

Almost surely, 2^6222951989 is an apocalyptic number.

It is an amenable number.

6222951989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6222951989 is an equidigital number, since it uses as much as digits as its factorization.

6222951989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 53.

The square root of 6222951989 is about 78885.6893802672. The cubic root of 6222951989 is about 1839.3546875576.

The spelling of 6222951989 in words is "six billion, two hundred twenty-two million, nine hundred fifty-one thousand, nine hundred eighty-nine".