82122472 has 32 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 39556800.

The previous prime is 82122463. The next prime is 82122479. The reversal of 82122472 is 27422128.

It is a self number, because there is not a number n which added to its sum of digits gives 82122472.

It is not an unprimeable number, because it can be changed into a prime (82122479) 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 7 ways as a sum of consecutive naturals, for example, 66097 + ... + 67327.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^82122472 is an apocalyptic number.

It is an amenable number.

82122472 is a deficient number, since it is larger than the sum of its proper divisors (77544728).

82122472 is a wasteful number, since it uses less digits than its factorization.

82122472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1533 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 82122472 is about 9062.1449999434. The cubic root of 82122472 is about 434.6643325848.

The spelling of 82122472 in words is "eighty-two million, one hundred twenty-two thousand, four hundred seventy-two".