2200055600 has 120 divisors (see below), whose sum is σ = 5607089040. Its totient is φ = 827228160.

The previous prime is 2200055597. The next prime is 2200055621. The reversal of 2200055600 is 65500022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040144 + ... + 1042256.

It is an arithmetic number, because the mean of its divisors is an integer number (46725742).

Almost surely, 2^2200055600 is an apocalyptic number.

2200055600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2200055600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2803544520).

2200055600 is an abundant number, since it is smaller than the sum of its proper divisors (3407033440).

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

2200055600 is a wasteful number, since it uses less digits than its factorization.

2200055600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2200055600 is about 46904.7502924810. The cubic root of 2200055600 is about 1300.6024032567.

Adding to 2200055600 its reverse (65500022), we get a palindrome (2265555622).

The spelling of 2200055600 in words is "two billion, two hundred million, fifty-five thousand, six hundred".