82244321860 has 12 divisors (see below), whose sum is σ = 172713075948. Its totient is φ = 32897728736.

The previous prime is 82244321851. The next prime is 82244321869. The reversal of 82244321860 is 6812344228.

It is an interprime number because it is at equal distance from previous prime (82244321851) and next prime (82244321869).

It can be written as a sum of positive squares in 2 ways, for example, as 18337493056 + 63906828804 = 135416^2 + 252798^2 .

It is a super-2 number, since 2×82244321860² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82244321869) 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, 2056108027 + ... + 2056108066.

It is an arithmetic number, because the mean of its divisors is an integer number (14392756329).

Almost surely, 2^82244321860 is an apocalyptic number.

It is an amenable number.

82244321860 is an abundant number, since it is smaller than the sum of its proper divisors (90468754088).

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

82244321860 is a wasteful number, since it uses less digits than its factorization.

82244321860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112216102 (or 4112216100 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 82244321860 in words is "eighty-two billion, two hundred forty-four million, three hundred twenty-one thousand, eight hundred sixty".