8726221012 has 12 divisors (see below), whose sum is σ = 15271824960. Its totient is φ = 4362842456.

The previous prime is 8726221001. The next prime is 8726221013. The reversal of 8726221012 is 2101226278.

It is a happy number.

It is a super-2 number, since 2×8726221012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8726221013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18303 + ... + 133369.

It is an arithmetic number, because the mean of its divisors is an integer number (1272652080).

Almost surely, 2^8726221012 is an apocalyptic number.

It is an amenable number.

8726221012 is a deficient number, since it is larger than the sum of its proper divisors (6545603948).

8726221012 is a wasteful number, since it uses less digits than its factorization.

8726221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134030 (or 134028 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 8726221012 is about 93414.2441600851. The cubic root of 8726221012 is about 2058.7742898501.

The spelling of 8726221012 in words is "eight billion, seven hundred twenty-six million, two hundred twenty-one thousand, twelve".