2205022220 has 24 divisors (see below), whose sum is σ = 4631682384. Its totient is φ = 881792576.

The previous prime is 2205022207. The next prime is 2205022231. The reversal of 2205022220 is 222205022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89042 + ... + 111078.

It is an arithmetic number, because the mean of its divisors is an integer number (192986766).

Almost surely, 2^2205022220 is an apocalyptic number.

2205022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205022220 is an abundant number, since it is smaller than the sum of its proper divisors (2426660164).

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

2205022220 is a wasteful number, since it uses less digits than its factorization.

2205022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27049 (or 27047 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2205022220 is about 46957.6641241874. The cubic root of 2205022220 is about 1301.5803699277.

Adding to 2205022220 its reverse (222205022), we get a palindrome (2427227242).

The spelling of 2205022220 in words is "two billion, two hundred five million, twenty-two thousand, two hundred twenty".