8406820822 has 4 divisors (see below), whose sum is σ = 12610231236. Its totient is φ = 4203410410.

The previous prime is 8406820819. The next prime is 8406820837. The reversal of 8406820822 is 2280286048.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101705204 + ... + 2101705207.

It is an arithmetic number, because the mean of its divisors is an integer number (3152557809).

Almost surely, 2^8406820822 is an apocalyptic number.

8406820822 is a deficient number, since it is larger than the sum of its proper divisors (4203410414).

8406820822 is a wasteful number, since it uses less digits than its factorization.

8406820822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203410413.

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 8406820822 is about 91688.7169830618. The cubic root of 8406820822 is about 2033.3427757751.

The spelling of 8406820822 in words is "eight billion, four hundred six million, eight hundred twenty thousand, eight hundred twenty-two".