2221232532352 has 64 divisors (see below), whose sum is σ = 4450534502400. Its totient is φ = 1104250115584.

The previous prime is 2221232532289. The next prime is 2221232532359. The reversal of 2221232532352 is 2532352321222.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221232532359) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19736913 + ... + 19849135.

It is an arithmetic number, because the mean of its divisors is an integer number (69539601600).

Almost surely, 2^{2221232532352} 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 2221232532352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2225267251200).

2221232532352 is an abundant number, since it is smaller than the sum of its proper divisors (2229301970048).

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

2221232532352 is a wasteful number, since it uses less digits than its factorization.

2221232532352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113123 (or 113111 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

Adding to 2221232532352 its reverse (2532352321222), we get a palindrome (4753584853574).

The spelling of 2221232532352 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-two million, five hundred thirty-two thousand, three hundred fifty-two".