82218498 has 16 divisors (see below), whose sum is σ = 165542400. Its totient is φ = 27221936.

The previous prime is 82218457. The next prime is 82218503. The reversal of 82218498 is 89481228.

It is a Curzon number.

It is an unprimeable number.

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, 45090 + ... + 46877.

It is an arithmetic number, because the mean of its divisors is an integer number (10346400).

Almost surely, 2^82218498 is an apocalyptic number.

82218498 is an abundant number, since it is smaller than the sum of its proper divisors (83323902).

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

82218498 is a wasteful number, since it uses less digits than its factorization.

82218498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92121.

The product of its digits is 73728, while the sum is 42.

The square root of 82218498 is about 9067.4416458006. The cubic root of 82218498 is about 434.8336846034.

The spelling of 82218498 in words is "eighty-two million, two hundred eighteen thousand, four hundred ninety-eight".