18822857433422 has 32 divisors (see below), whose sum is σ = 33375694270464. Its totient is φ = 7793774712000.

The previous prime is 18822857433421. The next prime is 18822857433473. The reversal of 18822857433422 is 22433475822881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18822857433421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159127454 + ... + 159245697.

It is an arithmetic number, because the mean of its divisors is an integer number (1042990445952).

Almost surely, 2^{18822857433422} is an apocalyptic number.

18822857433422 is a deficient number, since it is larger than the sum of its proper divisors (14552836837042).

18822857433422 is a wasteful number, since it uses less digits than its factorization.

18822857433422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318373304.

The product of its digits is 41287680, while the sum is 59.

The spelling of 18822857433422 in words is "eighteen trillion, eight hundred twenty-two billion, eight hundred fifty-seven million, four hundred thirty-three thousand, four hundred twenty-two".