82644322 has 8 divisors (see below), whose sum is σ = 125664876. Its totient is φ = 40756032.

The previous prime is 82644311. The next prime is 82644343. The reversal of 82644322 is 22344628.

It can be written as a sum of positive squares in 2 ways, for example, as 81522841 + 1121481 = 9029^2 + 1059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282883 + ... + 283174.

Almost surely, 2^82644322 is an apocalyptic number.

82644322 is a deficient number, since it is larger than the sum of its proper divisors (43020554).

82644322 is a wasteful number, since it uses less digits than its factorization.

82644322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566132.

The product of its digits is 18432, while the sum is 31.

The square root of 82644322 is about 9090.8922554390. The cubic root of 82644322 is about 435.5830855971.

The spelling of 82644322 in words is "eighty-two million, six hundred forty-four thousand, three hundred twenty-two".