8468105221 has 4 divisors (see below), whose sum is σ = 8501842944. Its totient is φ = 8434367500.

The previous prime is 8468105209. The next prime is 8468105237. The reversal of 8468105221 is 1225018648.

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 8468105221 - 2²¹ = 8466008069 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 (8468195221) 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, 16868485 + ... + 16868986.

It is an arithmetic number, because the mean of its divisors is an integer number (2125460736).

Almost surely, 2^8468105221 is an apocalyptic number.

It is an amenable number.

8468105221 is a deficient number, since it is larger than the sum of its proper divisors (33737723).

8468105221 is a wasteful number, since it uses less digits than its factorization.

8468105221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33737722.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 8468105221 is about 92022.3082790255. The cubic root of 8468105221 is about 2038.2717341340.

The spelling of 8468105221 in words is "eight billion, four hundred sixty-eight million, one hundred five thousand, two hundred twenty-one".