10221766756 has 48 divisors (see below), whose sum is σ = 19182240000. Its totient is φ = 4751494560.

The previous prime is 10221766739. The next prime is 10221766771. The reversal of 10221766756 is 65766712201.

It is a super-2 number, since 2×10221766756² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096795 + ... + 3100093.

It is an arithmetic number, because the mean of its divisors is an integer number (399630000).

Almost surely, 2^10221766756 is an apocalyptic number.

It is an amenable number.

10221766756 is a deficient number, since it is larger than the sum of its proper divisors (8960473244).

10221766756 is a wasteful number, since it uses less digits than its factorization.

10221766756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 10221766756 in words is "ten billion, two hundred twenty-one million, seven hundred sixty-six thousand, seven hundred fifty-six".