243222205272004 has 96 divisors (see below), whose sum is σ = 519137997557760. Its totient is φ = 97331986905600.

The previous prime is 243222205271951. The next prime is 243222205272017. The reversal of 243222205272004 is 400272502222342.

It is a super-2 number, since 2×243222205272004² (a number of 30 digits) contains 22 as substring.

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, 33411339 + ... + 40034509.

It is an arithmetic number, because the mean of its divisors is an integer number (5407687474560).

Almost surely, 2^{243222205272004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243222205272004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259568998778880).

243222205272004 is an abundant number, since it is smaller than the sum of its proper divisors (275915792285756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243222205272004 is a wasteful number, since it uses less digits than its factorization.

243222205272004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623809 (or 6623807 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 37.

Adding to 243222205272004 its reverse (400272502222342), we get a palindrome (643494707494346).

The spelling of 243222205272004 in words is "two hundred forty-three trillion, two hundred twenty-two billion, two hundred five million, two hundred seventy-two thousand, four".