10044856221 has 4 divisors (see below), whose sum is σ = 13393141632. Its totient is φ = 6696570812.

The previous prime is 10044856207. The next prime is 10044856231. The reversal of 10044856221 is 12265844001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10044856221 - 2¹¹ = 10044854173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10044856231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1674142701 + ... + 1674142706.

It is an arithmetic number, because the mean of its divisors is an integer number (3348285408).

Almost surely, 2^10044856221 is an apocalyptic number.

It is an amenable number.

10044856221 is a deficient number, since it is larger than the sum of its proper divisors (3348285411).

10044856221 is an equidigital number, since it uses as much as digits as its factorization.

10044856221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348285410.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 10044856221 in words is "ten billion, forty-four million, eight hundred fifty-six thousand, two hundred twenty-one".