220002200 has 72 divisors (see below), whose sum is σ = 562294740. Its totient is φ = 79992000.

The previous prime is 220002193. The next prime is 220002203. The reversal of 220002200 is 2200022.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19655 + ... + 28745.

Almost surely, 2^220002200 is an apocalyptic number.

220002200 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 220002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281147370).

220002200 is an abundant number, since it is smaller than the sum of its proper divisors (342292540).

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

220002200 is a wasteful number, since it uses less digits than its factorization.

220002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 220002200 is about 14832.4711359908. The cubic root of 220002200 is about 603.6830859433.

Adding to 220002200 its reverse (2200022), we get a palindrome (222202222).

Multiplying 220002200 by its reverse (2200022), we get a square (484009680048400 = 22000220²).

220002200 divided by its reverse (2200022) gives a square (100 = 10²).

The spelling of 220002200 in words is "two hundred twenty million, two thousand, two hundred".