22066131232 has 24 divisors (see below), whose sum is σ = 45729154800. Its totient is φ = 10452377664.

The previous prime is 22066131221. The next prime is 22066131259. The reversal of 22066131232 is 23213166022.

It is a self number, because there is not a number n which added to its sum of digits gives 22066131232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18145882 + ... + 18147097.

It is an arithmetic number, because the mean of its divisors is an integer number (1905381450).

Almost surely, 2^22066131232 is an apocalyptic number.

It is an amenable number.

22066131232 is an abundant number, since it is smaller than the sum of its proper divisors (23663023568).

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

22066131232 is a wasteful number, since it uses less digits than its factorization.

22066131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36293008 (or 36293000 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 22066131232 its reverse (23213166022), we get a palindrome (45279297254).

The spelling of 22066131232 in words is "twenty-two billion, sixty-six million, one hundred thirty-one thousand, two hundred thirty-two".