22344677777889 has 12 divisors (see below), whose sum is σ = 32377461600276. Its totient is φ = 14849459888352.

The previous prime is 22344677777831. The next prime is 22344677777911. The reversal of 22344677777889 is 98877777644322.

22344677777889 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 467 + 7 + 7 + 7 + 78 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 492652379664 + 21852025398225 = 701892^2 + 4674615^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22344677777889 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22344677770889) 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 11 ways as a sum of consecutive naturals, for example, 3915993954 + ... + 3915999659.

It is an arithmetic number, because the mean of its divisors is an integer number (2698121800023).

Almost surely, 2^{22344677777889} is an apocalyptic number.

It is an amenable number.

22344677777889 is a deficient number, since it is larger than the sum of its proper divisors (10032783822387).

22344677777889 is a wasteful number, since it uses less digits than its factorization.

22344677777889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831993936 (or 7831993933 counting only the distinct ones).

The product of its digits is 11152318464, while the sum is 81.

The spelling of 22344677777889 in words is "twenty-two trillion, three hundred forty-four billion, six hundred seventy-seven million, seven hundred seventy-seven thousand, eight hundred eighty-nine".