86822218 has 32 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 36634752.

The previous prime is 86822189. The next prime is 86822249. The reversal of 86822218 is 81222868.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45018 + ... + 46906.

It is an arithmetic number, because the mean of its divisors is an integer number (4819500).

Almost surely, 2^86822218 is an apocalyptic number.

86822218 is a deficient number, since it is larger than the sum of its proper divisors (67401782).

86822218 is a wasteful number, since it uses less digits than its factorization.

86822218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979 (or 1965 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 86822218 is about 9317.8440639453. The cubic root of 86822218 is about 442.8027323966.

The spelling of 86822218 in words is "eighty-six million, eight hundred twenty-two thousand, two hundred eighteen".