18353850022 has 8 divisors (see below), whose sum is σ = 27596482200. Its totient is φ = 9155022624.

The previous prime is 18353849993. The next prime is 18353850023. The reversal of 18353850022 is 22005835381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18353850023) 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 3 ways as a sum of consecutive naturals, for example, 10950147 + ... + 10951822.

It is an arithmetic number, because the mean of its divisors is an integer number (3449560275).

Almost surely, 2^18353850022 is an apocalyptic number.

18353850022 is a deficient number, since it is larger than the sum of its proper divisors (9242632178).

18353850022 is a wasteful number, since it uses less digits than its factorization.

18353850022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21902390.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 18353850022 in words is "eighteen billion, three hundred fifty-three million, eight hundred fifty thousand, twenty-two".