2206620220 has 48 divisors (see below), whose sum is σ = 5301535680. Its totient is φ = 755748864.

The previous prime is 2206620217. The next prime is 2206620223. The reversal of 2206620220 is 220266022.

It is an interprime number because it is at equal distance from previous prime (2206620217) and next prime (2206620223).

It is a junction number, because it is equal to n+sod(n) for n = 2206620191 and 2206620200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206620223) 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, 131676 + ... + 147484.

It is an arithmetic number, because the mean of its divisors is an integer number (110448660).

Almost surely, 2^2206620220 is an apocalyptic number.

2206620220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206620220 is an abundant number, since it is smaller than the sum of its proper divisors (3094915460).

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

2206620220 is a wasteful number, since it uses less digits than its factorization.

2206620220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16822 (or 16820 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2206620220 is about 46974.6763692950. The cubic root of 2206620220 is about 1301.8947164480.

Adding to 2206620220 its reverse (220266022), we get a palindrome (2426886242).

The spelling of 2206620220 in words is "two billion, two hundred six million, six hundred twenty thousand, two hundred twenty".