322735706645 has 48 divisors (see below), whose sum is σ = 429239124720. Its totient is φ = 232764195840.

The previous prime is 322735706639. The next prime is 322735706647. The reversal of 322735706645 is 546607537223.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2635487569 + 320100219076 = 51337^2 + 565774^2 .

It is a de Polignac number, because none of the positive numbers 2^k-322735706645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322735706593 and 322735706602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322735706647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138333899 + ... + 138336231.

It is an arithmetic number, because the mean of its divisors is an integer number (8942481765).

Almost surely, 2^322735706645 is an apocalyptic number.

It is an amenable number.

322735706645 is a deficient number, since it is larger than the sum of its proper divisors (106503418075).

322735706645 is a wasteful number, since it uses less digits than its factorization.

322735706645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166 (or 4155 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 322735706645 in words is "three hundred twenty-two billion, seven hundred thirty-five million, seven hundred six thousand, six hundred forty-five".