82219468 has 12 divisors (see below), whose sum is σ = 145618200. Its totient is φ = 40614272.

The previous prime is 82219453. The next prime is 82219469. The reversal of 82219468 is 86491228.

It is a self number, because there is not a number n which added to its sum of digits gives 82219468.

It is not an unprimeable number, because it can be changed into a prime (82219469) 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, 123493 + ... + 124156.

It is an arithmetic number, because the mean of its divisors is an integer number (12134850).

Almost surely, 2^82219468 is an apocalyptic number.

It is an amenable number.

82219468 is a deficient number, since it is larger than the sum of its proper divisors (63398732).

82219468 is a wasteful number, since it uses less digits than its factorization.

82219468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247736 (or 247734 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 82219468 is about 9067.4951337180. The cubic root of 82219468 is about 434.8353946282.

It can be divided in two parts, 8221 and 9468, that added together give a square (17689 = 133²).

The spelling of 82219468 in words is "eighty-two million, two hundred nineteen thousand, four hundred sixty-eight".