8856852221 has 4 divisors (see below), whose sum is σ = 10122116832. Its totient is φ = 7591587612.

The previous prime is 8856852211. The next prime is 8856852227. The reversal of 8856852221 is 1222586588.

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 not a de Polignac number, because 8856852221 - 2⁶ = 8856852157 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 (8856852227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632632295 + ... + 632632308.

It is an arithmetic number, because the mean of its divisors is an integer number (2530529208).

Almost surely, 2^8856852221 is an apocalyptic number.

It is an amenable number.

8856852221 is a deficient number, since it is larger than the sum of its proper divisors (1265264611).

8856852221 is a wasteful number, since it uses less digits than its factorization.

8856852221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265264610.

The product of its digits is 614400, while the sum is 47.

The square root of 8856852221 is about 94110.8507080879. The cubic root of 8856852221 is about 2068.9967071223.

The spelling of 8856852221 in words is "eight billion, eight hundred fifty-six million, eight hundred fifty-two thousand, two hundred twenty-one".