82282218 has 16 divisors (see below), whose sum is σ = 164708640. Its totient is φ = 27403376.

The previous prime is 82282199. The next prime is 82282223. The reversal of 82282218 is 81228228.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (10294290).

Almost surely, 2^82282218 is an apocalyptic number.

82282218 is an abundant number, since it is smaller than the sum of its proper divisors (82426422).

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

82282218 is a wasteful number, since it uses less digits than its factorization.

82282218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021.

The product of its digits is 8192, while the sum is 33.

The square root of 82282218 is about 9070.9546355386. The cubic root of 82282218 is about 434.9459888020.

The spelling of 82282218 in words is "eighty-two million, two hundred eighty-two thousand, two hundred eighteen".