8807044221 has 10 divisors (see below), whose sum is σ = 13156201982. Its totient is φ = 5871362760.

The previous prime is 8807044219. The next prime is 8807044229. The reversal of 8807044221 is 1224407088.

8807044221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4642923321 + 4164120900 = 68139^2 + 64530^2 .

It is not a de Polignac number, because 8807044221 - 2¹ = 8807044219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8807044229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 54364390 + ... + 54364551.

Almost surely, 2^8807044221 is an apocalyptic number.

8807044221 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8807044221 is a deficient number, since it is larger than the sum of its proper divisors (4349157761).

8807044221 is a wasteful number, since it uses less digits than its factorization.

8807044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108728953 (or 108728944 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 8807044221 is about 93845.8535098914. The cubic root of 8807044221 is about 2065.1109634787.

The spelling of 8807044221 in words is "eight billion, eight hundred seven million, forty-four thousand, two hundred twenty-one".