82230712 has 8 divisors (see below), whose sum is σ = 154182600. Its totient is φ = 41115352.

The previous prime is 82230697. The next prime is 82230713. The reversal of 82230712 is 21703228.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82230713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5139412 + ... + 5139427.

It is an arithmetic number, because the mean of its divisors is an integer number (19272825).

Almost surely, 2^82230712 is an apocalyptic number.

It is an amenable number.

82230712 is a deficient number, since it is larger than the sum of its proper divisors (71951888).

82230712 is a wasteful number, since it uses less digits than its factorization.

82230712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278845 (or 10278841 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 82230712 is about 9068.1151293971. The cubic root of 82230712 is about 434.8552158313.

The spelling of 82230712 in words is "eighty-two million, two hundred thirty thousand, seven hundred twelve".