22338185445 has 12 divisors (see below), whose sum is σ = 38719521516. Its totient is φ = 11913698880.

The previous prime is 22338185413. The next prime is 22338185447. The reversal of 22338185445 is 54458183322.

22338185445 is a `hidden beast` number, since 2 + 23 + 3 + 8 + 185 + 445 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4097792196 + 18240393249 = 64014^2 + 135057^2 .

It is not a de Polignac number, because 22338185445 - 2⁵ = 22338185413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 496404121 = 22338185445 / (2 + 2 + 3 + 3 + 8 + 1 + 8 + 5 + 4 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 22338185445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22338185447) 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, 248202016 + ... + 248202105.

It is an arithmetic number, because the mean of its divisors is an integer number (3226626793).

Almost surely, 2^22338185445 is an apocalyptic number.

It is an amenable number.

22338185445 is a deficient number, since it is larger than the sum of its proper divisors (16381336071).

22338185445 is a wasteful number, since it uses less digits than its factorization.

22338185445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496404132 (or 496404129 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The spelling of 22338185445 in words is "twenty-two billion, three hundred thirty-eight million, one hundred eighty-five thousand, four hundred forty-five".