82822543 has 4 divisors (see below), whose sum is σ = 83243160. Its totient is φ = 82401928.

The previous prime is 82822541. The next prime is 82822547. The reversal of 82822543 is 34522828.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82822543 - 2¹ = 82822541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82822499 and 82822508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82822541) 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 3 ways as a sum of consecutive naturals, for example, 210013 + ... + 210406.

It is an arithmetic number, because the mean of its divisors is an integer number (20810790).

Almost surely, 2^82822543 is an apocalyptic number.

82822543 is a deficient number, since it is larger than the sum of its proper divisors (420617).

82822543 is a wasteful number, since it uses less digits than its factorization.

82822543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420616.

The product of its digits is 30720, while the sum is 34.

The square root of 82822543 is about 9100.6891497293. The cubic root of 82822543 is about 435.8959698356.

The spelling of 82822543 in words is "eighty-two million, eight hundred twenty-two thousand, five hundred forty-three".