811982322 has 24 divisors (see below), whose sum is σ = 1862783676. Its totient is φ = 254739456.

The previous prime is 811982267. The next prime is 811982323. The reversal of 811982322 is 223289118.

It can be written as a sum of positive squares in 2 ways, for example, as 800833401 + 11148921 = 28299^2 + 3339^2 .

It is a super-3 number, since 3×811982322³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (811982323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1326463 + ... + 1327074.

Almost surely, 2^811982322 is an apocalyptic number.

811982322 is an abundant number, since it is smaller than the sum of its proper divisors (1050801354).

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

811982322 is a wasteful number, since it uses less digits than its factorization.

811982322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653562 (or 2653559 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 811982322 is about 28495.3035077712. The cubic root of 811982322 is about 932.9295687503.

The spelling of 811982322 in words is "eight hundred eleven million, nine hundred eighty-two thousand, three hundred twenty-two".