82022019 has 4 divisors (see below), whose sum is σ = 109362696. Its totient is φ = 54681344.

The previous prime is 82021949. The next prime is 82022023. The reversal of 82022019 is 91022028.

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 82022019 - 2²³ = 73633411 is a prime.

It is a super-2 number, since 2×82022019² = 13455223201672722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82022019.

It is not an unprimeable number, because it can be changed into a prime (82022119) by changing a digit.

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, 13670334 + ... + 13670339.

It is an arithmetic number, because the mean of its divisors is an integer number (27340674).

Almost surely, 2^82022019 is an apocalyptic number.

82022019 is a deficient number, since it is larger than the sum of its proper divisors (27340677).

82022019 is a wasteful number, since it uses less digits than its factorization.

82022019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27340676.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 82022019 is about 9056.6008524170. The cubic root of 82022019 is about 434.4870317381.

Subtracting 82022019 from its reverse (91022028), we obtain a palindrome (9000009).

The spelling of 82022019 in words is "eighty-two million, twenty-two thousand, nineteen".