18382182222 has 32 divisors (see below), whose sum is σ = 38459561472. Its totient is φ = 5846205024.

The previous prime is 18382182211. The next prime is 18382182233. The reversal of 18382182222 is 22228128381.

It is an interprime number because it is at equal distance from previous prime (18382182211) and next prime (18382182233).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112978 + ... + 222549.

It is an arithmetic number, because the mean of its divisors is an integer number (1201861296).

Almost surely, 2^18382182222 is an apocalyptic number.

18382182222 is an abundant number, since it is smaller than the sum of its proper divisors (20077379250).

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

18382182222 is a wasteful number, since it uses less digits than its factorization.

18382182222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335952.

The product of its digits is 49152, while the sum is 39.

The spelling of 18382182222 in words is "eighteen billion, three hundred eighty-two million, one hundred eighty-two thousand, two hundred twenty-two".