221250676756 has 24 divisors (see below), whose sum is σ = 387563220576. Its totient is φ = 110518386720.

The previous prime is 221250676753. The next prime is 221250676771. The reversal of 221250676756 is 657676052122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221250676753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22601695 + ... + 22611481.

It is an arithmetic number, because the mean of its divisors is an integer number (16148467524).

Almost surely, 2^221250676756 is an apocalyptic number.

It is an amenable number.

221250676756 is a deficient number, since it is larger than the sum of its proper divisors (166312543820).

221250676756 is a wasteful number, since it uses less digits than its factorization.

221250676756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14679 (or 14677 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 221250676756 in words is "two hundred twenty-one billion, two hundred fifty million, six hundred seventy-six thousand, seven hundred fifty-six".