2821222487532 has 48 divisors (see below), whose sum is σ = 6907014196992. Its totient is φ = 894550472640.

The previous prime is 2821222487521. The next prime is 2821222487533. The reversal of 2821222487532 is 2357842221282.

It is not an unprimeable number, because it can be changed into a prime (2821222487533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28187118 + ... + 28287029.

It is an arithmetic number, because the mean of its divisors is an integer number (143896129104).

Almost surely, 2^{2821222487532} is an apocalyptic number.

It is an amenable number.

2821222487532 is an abundant number, since it is smaller than the sum of its proper divisors (4085791709460).

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

2821222487532 is a wasteful number, since it uses less digits than its factorization.

2821222487532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56474358 (or 56474356 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 48.

The spelling of 2821222487532 in words is "two trillion, eight hundred twenty-one billion, two hundred twenty-two million, four hundred eighty-seven thousand, five hundred thirty-two".