531352222232 has 128 divisors (see below), whose sum is σ = 1112880384000. Its totient is φ = 236275522560.

The previous prime is 531352222229. The next prime is 531352222237. The reversal of 531352222232 is 232222253135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531352222237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195420569 + ... + 195423287.

It is an arithmetic number, because the mean of its divisors is an integer number (8694378000).

Almost surely, 2^531352222232 is an apocalyptic number.

531352222232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531352222232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556440192000).

531352222232 is an abundant number, since it is smaller than the sum of its proper divisors (581528161768).

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

531352222232 is a wasteful number, since it uses less digits than its factorization.

531352222232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361 (or 3357 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

Adding to 531352222232 its reverse (232222253135), we get a palindrome (763574475367).

The spelling of 531352222232 in words is "five hundred thirty-one billion, three hundred fifty-two million, two hundred twenty-two thousand, two hundred thirty-two".