385818222220 has 12 divisors (see below), whose sum is σ = 810218266704. Its totient is φ = 154327288880.

The previous prime is 385818222191. The next prime is 385818222221. The reversal of 385818222220 is 22222818583.

It is not an unprimeable number, because it can be changed into a prime (385818222221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9645455536 + ... + 9645455575.

It is an arithmetic number, because the mean of its divisors is an integer number (67518188892).

Almost surely, 2^385818222220 is an apocalyptic number.

It is an amenable number.

385818222220 is an abundant number, since it is smaller than the sum of its proper divisors (424400044484).

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

385818222220 is a wasteful number, since it uses less digits than its factorization.

385818222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19290911120 (or 19290911118 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 385818222220 in words is "three hundred eighty-five billion, eight hundred eighteen million, two hundred twenty-two thousand, two hundred twenty".