2222200 has 48 divisors (see below), whose sum is σ = 5312160. Its totient is φ = 864000.

The previous prime is 2222177. The next prime is 2222203. The reversal of 2222200 is 22222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an Ulam number.

It is a nialpdrome in base 10.

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 (2222203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8065 + ... + 8335.

It is an arithmetic number, because the mean of its divisors is an integer number (110670).

2^2222200 is an apocalyptic number.

2222200 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 2222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2656080).

2222200 is an abundant number, since it is smaller than the sum of its proper divisors (3089960).

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

2222200 is a wasteful number, since it uses less digits than its factorization.

2222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2222200 is about 1490.7045314213. The cubic root of 2222200 is about 130.4951530522.

Adding to 2222200 its reverse (22222), we get a palindrome (2244422).

Multiplying 2222200 by its reverse (22222), we get a square (49381728400 = 222220²).

2222200 divided by its reverse (22222) gives a square (100 = 10²).

It can be divided in two parts, 22 and 22200, that added together give a palindrome (22222).

The spelling of 2222200 in words is "two million, two hundred twenty-two thousand, two hundred".