82231588 has 12 divisors (see below), whose sum is σ = 148867740. Its totient is φ = 39697952.

The previous prime is 82231577. The next prime is 82231603. The reversal of 82231588 is 88513228.

It can be written as a sum of positive squares in 2 ways, for example, as 58339044 + 23892544 = 7638^2 + 4888^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354331 + ... + 354562.

It is an arithmetic number, because the mean of its divisors is an integer number (12405645).

Almost surely, 2^82231588 is an apocalyptic number.

It is an amenable number.

82231588 is a deficient number, since it is larger than the sum of its proper divisors (66636152).

82231588 is a wasteful number, since it uses less digits than its factorization.

82231588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708926 (or 708924 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 82231588 is about 9068.1634303755. The cubic root of 82231588 is about 434.8567599900.

It can be divided in two parts, 822315 and 88, that added together give a triangular number (822403 = T₁₂₈₂).

The spelling of 82231588 in words is "eighty-two million, two hundred thirty-one thousand, five hundred eighty-eight".