1822279788889 has 16 divisors (see below), whose sum is σ = 2093639270400. Its totient is φ = 1553679775440.

The previous prime is 1822279788859. The next prime is 1822279788911. The reversal of 1822279788889 is 9888879722281.

It is a cyclic number.

It is not a de Polignac number, because 1822279788889 - 2⁷ = 1822279788761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1822279788839) 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 in 15 ways as a sum of consecutive naturals, for example, 28846312 + ... + 28909414.

It is an arithmetic number, because the mean of its divisors is an integer number (130852454400).

Almost surely, 2^{1822279788889} is an apocalyptic number.

It is an amenable number.

1822279788889 is a deficient number, since it is larger than the sum of its proper divisors (271359481511).

1822279788889 is a wasteful number, since it uses less digits than its factorization.

1822279788889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84900.

The product of its digits is 1040449536, while the sum is 79.

The spelling of 1822279788889 in words is "one trillion, eight hundred twenty-two billion, two hundred seventy-nine million, seven hundred eighty-eight thousand, eight hundred eighty-nine".