2206265220 has 72 divisors (see below), whose sum is σ = 6696622296. Its totient is φ = 587960832.

The previous prime is 2206265213. The next prime is 2206265221. The reversal of 2206265220 is 225626022.

2206265220 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 2 + 652 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47361924 + 2158903296 = 6882^2 + 46464^2 .

It is not an unprimeable number, because it can be changed into a prime (2206265221) 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, 384694 + ... + 390386.

It is an arithmetic number, because the mean of its divisors is an integer number (93008643).

Almost surely, 2^2206265220 is an apocalyptic number.

2206265220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206265220 is an abundant number, since it is smaller than the sum of its proper divisors (4490357076).

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

2206265220 is a wasteful number, since it uses less digits than its factorization.

2206265220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861 (or 7856 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2206265220 is about 46970.8975856327. The cubic root of 2206265220 is about 1301.8248966384.

The spelling of 2206265220 in words is "two billion, two hundred six million, two hundred sixty-five thousand, two hundred twenty".