3224207186845 has 32 divisors (see below), whose sum is σ = 4178810215008. Its totient is φ = 2379051737088.

The previous prime is 3224207186833. The next prime is 3224207186867. The reversal of 3224207186845 is 5486817024223.

3224207186845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 366234359929 + 2857972826916 = 605173^2 + 1690554^2 .

It is a cyclic number.

It is not a de Polignac number, because 3224207186845 - 2¹¹ = 3224207184797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3224207186792 and 3224207186801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3443227 + ... + 4278343.

It is an arithmetic number, because the mean of its divisors is an integer number (130587819219).

Almost surely, 2^{3224207186845} is an apocalyptic number.

It is an amenable number.

3224207186845 is a deficient number, since it is larger than the sum of its proper divisors (954603028163).

3224207186845 is a wasteful number, since it uses less digits than its factorization.

3224207186845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836049.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 3224207186845 in words is "three trillion, two hundred twenty-four billion, two hundred seven million, one hundred eighty-six thousand, eight hundred forty-five".