22143505313532 has 24 divisors (see below), whose sum is σ = 52928378555472. Its totient is φ = 7201139939200.

The previous prime is 22143505313509. The next prime is 22143505313549. The reversal of 22143505313532 is 23531350534122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22503561819 + ... + 22503562802.

It is an arithmetic number, because the mean of its divisors is an integer number (2205349106478).

Almost surely, 2^{22143505313532} is an apocalyptic number.

It is an amenable number.

22143505313532 is an abundant number, since it is smaller than the sum of its proper divisors (30784873241940).

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

22143505313532 is a wasteful number, since it uses less digits than its factorization.

22143505313532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45007124669 (or 45007124667 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 22143505313532 its reverse (23531350534122), we get a palindrome (45674855847654).

The spelling of 22143505313532 in words is "twenty-two trillion, one hundred forty-three billion, five hundred five million, three hundred thirteen thousand, five hundred thirty-two".