8022440861 has 2 divisors, whose sum is σ = 8022440862. Its totient is φ = 8022440860.

The previous prime is 8022440831. The next prime is 8022440929. The reversal of 8022440861 is 1680442208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6834328900 + 1188111961 = 82670^2 + 34469^2 .

It is a cyclic number.

It is not a de Polignac number, because 8022440861 - 2¹⁰ = 8022439837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8022440801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4011220430 + 4011220431.

It is an arithmetic number, because the mean of its divisors is an integer number (4011220431).

Almost surely, 2^8022440861 is an apocalyptic number.

It is an amenable number.

8022440861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8022440861 is an equidigital number, since it uses as much as digits as its factorization.

8022440861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 8022440861 is about 89568.0794758936. The cubic root of 8022440861 is about 2001.8683258857.

The spelling of 8022440861 in words is "eight billion, twenty-two million, four hundred forty thousand, eight hundred sixty-one".