82122338 has 4 divisors (see below), whose sum is σ = 123183510. Its totient is φ = 41061168.

The previous prime is 82122319. The next prime is 82122353. The reversal of 82122338 is 83322128.

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., 70677649 + 11444689 = 8407^2 + 3383^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82122338.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20530583 + ... + 20530586.

Almost surely, 2^82122338 is an apocalyptic number.

82122338 is a deficient number, since it is larger than the sum of its proper divisors (41061172).

82122338 is a wasteful number, since it uses less digits than its factorization.

82122338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41061171.

The product of its digits is 4608, while the sum is 29.

The square root of 82122338 is about 9062.1376065474. The cubic root of 82122338 is about 434.6640961694.

The spelling of 82122338 in words is "eighty-two million, one hundred twenty-two thousand, three hundred thirty-eight".