8241222811 has 4 divisors (see below), whose sum is σ = 8674971400. Its totient is φ = 7807474224.

The previous prime is 8241222809. The next prime is 8241222817. The reversal of 8241222811 is 1182221428.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8241222811 - 2¹ = 8241222809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8241222817) 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, 216874266 + ... + 216874303.

It is an arithmetic number, because the mean of its divisors is an integer number (2168742850).

Almost surely, 2^8241222811 is an apocalyptic number.

8241222811 is a deficient number, since it is larger than the sum of its proper divisors (433748589).

8241222811 is a wasteful number, since it uses less digits than its factorization.

8241222811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433748588.

The product of its digits is 4096, while the sum is 31.

The square root of 8241222811 is about 90781.1809297500. The cubic root of 8241222811 is about 2019.9031756845.

The spelling of 8241222811 in words is "eight billion, two hundred forty-one million, two hundred twenty-two thousand, eight hundred eleven".