13822156685 has 8 divisors (see below), whose sum is σ = 16639582200. Its totient is φ = 11022395904.

The previous prime is 13822156681. The next prime is 13822156687. The reversal of 13822156685 is 58665122831.

It can be written as a sum of positive squares in 4 ways, for example, as 916515076 + 12905641609 = 30274^2 + 113603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13822156685 - 2² = 13822156681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13822156681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4414460 + ... + 4417589.

It is an arithmetic number, because the mean of its divisors is an integer number (2079947775).

Almost surely, 2^13822156685 is an apocalyptic number.

It is an amenable number.

13822156685 is a deficient number, since it is larger than the sum of its proper divisors (2817425515).

13822156685 is an equidigital number, since it uses as much as digits as its factorization.

13822156685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832367.

The product of its digits is 691200, while the sum is 47.

The spelling of 13822156685 in words is "thirteen billion, eight hundred twenty-two million, one hundred fifty-six thousand, six hundred eighty-five".