82500222906 has 12 divisors (see below), whose sum is σ = 178750483002. Its totient is φ = 27500074296.

The previous prime is 82500222881. The next prime is 82500222923. The reversal of 82500222906 is 60922200528.

It can be written as a sum of positive squares in only one way, i.e., 52018205625 + 30482017281 = 228075^2 + 174591^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2291672841 + ... + 2291672876.

Almost surely, 2^82500222906 is an apocalyptic number.

82500222906 is an abundant number, since it is smaller than the sum of its proper divisors (96250260096).

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

82500222906 is a wasteful number, since it uses less digits than its factorization.

82500222906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583345725 (or 4583345722 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 82500222906 in words is "eighty-two billion, five hundred million, two hundred twenty-two thousand, nine hundred six".