18822243190 has 32 divisors (see below), whose sum is σ = 33985787904. Its totient is φ = 7505434080.

The previous prime is 18822243149. The next prime is 18822243191. The reversal of 18822243190 is 9134222881.

It is a super-2 number, since 2×18822243190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18822243191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7045555 + ... + 7048225.

It is an arithmetic number, because the mean of its divisors is an integer number (1062055872).

Almost surely, 2^18822243190 is an apocalyptic number.

18822243190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18822243190 is a deficient number, since it is larger than the sum of its proper divisors (15163544714).

18822243190 is a wasteful number, since it uses less digits than its factorization.

18822243190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 18822243190 in words is "eighteen billion, eight hundred twenty-two million, two hundred forty-three thousand, one hundred ninety".