22356143685 has 24 divisors (see below), whose sum is σ = 38754143064. Its totient is φ = 11922201600.

The previous prime is 22356143671. The next prime is 22356143723. The reversal of 22356143685 is 58634165322.

22356143685 is a `hidden beast` number, since 2 + 2 + 3 + 561 + 4 + 3 + 6 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1954877796 + 20401265889 = 44214^2 + 142833^2 .

It is not a de Polignac number, because 22356143685 - 2⁵ = 22356143653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22356143685.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 896749 + ... + 921341.

It is an arithmetic number, because the mean of its divisors is an integer number (1614755961).

Almost surely, 2^22356143685 is an apocalyptic number.

It is an amenable number.

22356143685 is a deficient number, since it is larger than the sum of its proper divisors (16397999379).

22356143685 is a wasteful number, since it uses less digits than its factorization.

22356143685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44805 (or 44802 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 22356143685 in words is "twenty-two billion, three hundred fifty-six million, one hundred forty-three thousand, six hundred eighty-five".