82122249 has 8 divisors (see below), whose sum is σ = 119450592. Its totient is φ = 49771040.

The previous prime is 82122239. The next prime is 82122251. The reversal of 82122249 is 94222128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82122249 - 2⁴ = 82122233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82122239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244244 + ... + 1244309.

It is an arithmetic number, because the mean of its divisors is an integer number (14931324).

Almost surely, 2^82122249 is an apocalyptic number.

It is an amenable number.

82122249 is a deficient number, since it is larger than the sum of its proper divisors (37328343).

82122249 is a wasteful number, since it uses less digits than its factorization.

82122249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488567.

The product of its digits is 4608, while the sum is 30.

The square root of 82122249 is about 9062.1326960048. The cubic root of 82122249 is about 434.6639391471.

The spelling of 82122249 in words is "eighty-two million, one hundred twenty-two thousand, two hundred forty-nine".