21822912833 has 2 divisors, whose sum is σ = 21822912834. Its totient is φ = 21822912832.

The previous prime is 21822912773. The next prime is 21822912871. The reversal of 21822912833 is 33821922812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20428413184 + 1394499649 = 142928^2 + 37343^2 .

It is a cyclic number.

It is not a de Polignac number, because 21822912833 - 2¹⁴ = 21822896449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (21822912533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10911456416 + 10911456417.

It is an arithmetic number, because the mean of its divisors is an integer number (10911456417).

Almost surely, 2^21822912833 is an apocalyptic number.

It is an amenable number.

21822912833 is a deficient number, since it is larger than the sum of its proper divisors (1).

21822912833 is an equidigital number, since it uses as much as digits as its factorization.

21822912833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The spelling of 21822912833 in words is "twenty-one billion, eight hundred twenty-two million, nine hundred twelve thousand, eight hundred thirty-three".