82168322 has 4 divisors (see below), whose sum is σ = 123252486. Its totient is φ = 41084160.

The previous prime is 82168319. The next prime is 82168343. The reversal of 82168322 is 22386128.

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

It can be written as a sum of positive squares in only one way, i.e., 62552281 + 19616041 = 7909^2 + 4429^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20542079 + ... + 20542082.

Almost surely, 2^82168322 is an apocalyptic number.

82168322 is a deficient number, since it is larger than the sum of its proper divisors (41084164).

82168322 is a wasteful number, since it uses less digits than its factorization.

82168322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41084163.

The product of its digits is 9216, while the sum is 32.

The square root of 82168322 is about 9064.6744012127. The cubic root of 82168322 is about 434.7452103737.

The spelling of 82168322 in words is "eighty-two million, one hundred sixty-eight thousand, three hundred twenty-two".