2845022220 has 72 divisors (see below), whose sum is σ = 8642074896. Its totient is φ = 757602432.

The previous prime is 2845022113. The next prime is 2845022221. The reversal of 2845022220 is 222205482.

It is not an unprimeable number, because it can be changed into a prime (2845022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121159 + ... + 142721.

It is an arithmetic number, because the mean of its divisors is an integer number (120028818).

Almost surely, 2^2845022220 is an apocalyptic number.

2845022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2845022220 is an abundant number, since it is smaller than the sum of its proper divisors (5797052676).

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

2845022220 is a wasteful number, since it uses less digits than its factorization.

2845022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22311 (or 22306 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2845022220 is about 53338.7497041316. The cubic root of 2845022220 is about 1416.9740198339.

The spelling of 2845022220 in words is "two billion, eight hundred forty-five million, twenty-two thousand, two hundred twenty".