82280382 has 8 divisors (see below), whose sum is σ = 164560776. Its totient is φ = 27426792.

The previous prime is 82280381. The next prime is 82280389. The reversal of 82280382 is 28308228.

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

82280382 is an admirable number.

It is a super-2 number, since 2×82280382² = 13540122524131848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82280381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6856693 + ... + 6856704.

It is an arithmetic number, because the mean of its divisors is an integer number (20570097).

Almost surely, 2^82280382 is an apocalyptic number.

82280382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82280382 is a wasteful number, since it uses less digits than its factorization.

82280382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13713402.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 82280382 is about 9070.8534328364. The cubic root of 82280382 is about 434.9427537297.

The spelling of 82280382 in words is "eighty-two million, two hundred eighty thousand, three hundred eighty-two".