82236231 has 48 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 41895360.

The previous prime is 82236223. The next prime is 82236251. The reversal of 82236231 is 13263228.

It is not a de Polignac number, because 82236231 - 2³ = 82236223 is a prime.

It is a super-2 number, since 2×82236231² = 13525595378170722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82236195 and 82236204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82236221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35610 + ... + 37848.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^82236231 is an apocalyptic number.

82236231 is a deficient number, since it is larger than the sum of its proper divisors (68721849).

82236231 is a wasteful number, since it uses less digits than its factorization.

82236231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2313 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 82236231 is about 9068.4194322936. The cubic root of 82236231 is about 434.8649442008.

Adding to 82236231 its reverse (13263228), we get a palindrome (95499459).

The spelling of 82236231 in words is "eighty-two million, two hundred thirty-six thousand, two hundred thirty-one".