82228016239 has 4 divisors (see below), whose sum is σ = 82590254424. Its totient is φ = 81865778056.

The previous prime is 82228016237. The next prime is 82228016257. The reversal of 82228016239 is 93261082228.

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 82228016239 - 2¹ = 82228016237 is a prime.

It is a super-2 number, since 2×82228016239² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82228016195 and 82228016204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82228016237) 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, 181118752 + ... + 181119205.

It is an arithmetic number, because the mean of its divisors is an integer number (20647563606).

Almost surely, 2^82228016239 is an apocalyptic number.

82228016239 is a deficient number, since it is larger than the sum of its proper divisors (362238185).

82228016239 is a wasteful number, since it uses less digits than its factorization.

82228016239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362238184.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 82228016239 in words is "eighty-two billion, two hundred twenty-eight million, sixteen thousand, two hundred thirty-nine".