8775206221 has 4 divisors (see below), whose sum is σ = 9237059200. Its totient is φ = 8313353244.

The previous prime is 8775206203. The next prime is 8775206233. The reversal of 8775206221 is 1226025778.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1226025778 = 2 ⋅613012889.

It is a cyclic number.

It is not a de Polignac number, because 8775206221 - 2¹⁹ = 8774681933 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 (8775206281) 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, 230926461 + ... + 230926498.

It is an arithmetic number, because the mean of its divisors is an integer number (2309264800).

Almost surely, 2^8775206221 is an apocalyptic number.

It is an amenable number.

8775206221 is a deficient number, since it is larger than the sum of its proper divisors (461852979).

8775206221 is a wasteful number, since it uses less digits than its factorization.

8775206221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461852978.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 8775206221 is about 93676.0706957759. The cubic root of 8775206221 is about 2062.6194582098.

The spelling of 8775206221 in words is "eight billion, seven hundred seventy-five million, two hundred six thousand, two hundred twenty-one".