221983052852 has 24 divisors (see below), whose sum is σ = 423866278080. Its totient is φ = 100882232960.

The previous prime is 221983052827. The next prime is 221983052939. The reversal of 221983052852 is 258250389122.

221983052852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221983052797 and 221983052806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243152 + ... + 709287.

It is an arithmetic number, because the mean of its divisors is an integer number (17661094920).

Almost surely, 2^221983052852 is an apocalyptic number.

221983052852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221983052852 is a deficient number, since it is larger than the sum of its proper divisors (201883225228).

221983052852 is a wasteful number, since it uses less digits than its factorization.

221983052852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957751 (or 957749 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 221983052852 in words is "two hundred twenty-one billion, nine hundred eighty-three million, fifty-two thousand, eight hundred fifty-two".