6224213161 has 2 divisors, whose sum is σ = 6224213162. Its totient is φ = 6224213160.

The previous prime is 6224213129. The next prime is 6224213183. The reversal of 6224213161 is 1613124226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4670355600 + 1553857561 = 68340^2 + 39419^2 .

It is a cyclic number.

It is not a de Polignac number, because 6224213161 - 2⁵ = 6224213129 is a prime.

It is a super-2 number, since 2×6224213161² = 77481658947131223842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6264213161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3112106580 + 3112106581.

It is an arithmetic number, because the mean of its divisors is an integer number (3112106581).

Almost surely, 2^6224213161 is an apocalyptic number.

It is an amenable number.

6224213161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6224213161 is an equidigital number, since it uses as much as digits as its factorization.

6224213161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 6224213161 is about 78893.6826431622. The cubic root of 6224213161 is about 1839.4789365176.

Adding to 6224213161 its reverse (1613124226), we get a palindrome (7837337387).

The spelling of 6224213161 in words is "six billion, two hundred twenty-four million, two hundred thirteen thousand, one hundred sixty-one".