810819222162 has 16 divisors (see below), whose sum is σ = 1625383572960. Its totient is φ = 269648885952.

The previous prime is 810819222151. The next prime is 810819222197. The reversal of 810819222162 is 261222918018.

It is a super-2 number, since 2×810819222162² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156044212 + ... + 156049407.

It is an arithmetic number, because the mean of its divisors is an integer number (101586473310).

Almost surely, 2^810819222162 is an apocalyptic number.

810819222162 is an abundant number, since it is smaller than the sum of its proper divisors (814564350798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

810819222162 is a wasteful number, since it uses less digits than its factorization.

810819222162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312094057.

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 810819222162 in words is "eight hundred ten billion, eight hundred nineteen million, two hundred twenty-two thousand, one hundred sixty-two".