82122522 has 16 divisors (see below), whose sum is σ = 172889760. Its totient is φ = 25933392.

The previous prime is 82122511. The next prime is 82122527. The reversal of 82122522 is 22522128.

It is a junction number, because it is equal to n+sod(n) for n = 82122492 and 82122501.

It is not an unprimeable number, because it can be changed into a prime (82122527) 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, 360073 + ... + 360300.

It is an arithmetic number, because the mean of its divisors is an integer number (10805610).

Almost surely, 2^82122522 is an apocalyptic number.

82122522 is an abundant number, since it is smaller than the sum of its proper divisors (90767238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82122522 is a wasteful number, since it uses less digits than its factorization.

82122522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720397.

The product of its digits is 1280, while the sum is 24.

The square root of 82122522 is about 9062.1477586718. The cubic root of 82122522 is about 434.6644207994.

The spelling of 82122522 in words is "eighty-two million, one hundred twenty-two thousand, five hundred twenty-two".