243313222004 has 12 divisors (see below), whose sum is σ = 430187810724. Its totient is φ = 120402418944.

The previous prime is 243313221971. The next prime is 243313222013. The reversal of 243313222004 is 400222313342.

It can be written as a sum of positive squares in 2 ways, for example, as 73387893604 + 169925328400 = 270902^2 + 412220^2 .

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 3 ways as a sum of consecutive naturals, for example, 313547579 + ... + 313548354.

It is an arithmetic number, because the mean of its divisors is an integer number (35848984227).

Almost surely, 2^243313222004 is an apocalyptic number.

It is an amenable number.

243313222004 is a deficient number, since it is larger than the sum of its proper divisors (186874588720).

243313222004 is a wasteful number, since it uses less digits than its factorization.

243313222004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627096034 (or 627096032 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243313222004 its reverse (400222313342), we get a palindrome (643535535346).

The spelling of 243313222004 in words is "two hundred forty-three billion, three hundred thirteen million, two hundred twenty-two thousand, four".