2220211200 has 132 divisors (see below), whose sum is σ = 7338167480. Its totient is φ = 592035840.

The previous prime is 2220211171. The next prime is 2220211211. The reversal of 2220211200 is 21120222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62346 + ... + 91254.

Almost surely, 2^2220211200 is an apocalyptic number.

2220211200 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 2220211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3669083740).

2220211200 is an abundant number, since it is smaller than the sum of its proper divisors (5117956280).

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

2220211200 is a wasteful number, since it uses less digits than its factorization.

2220211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28942 (or 28919 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2220211200 is about 47119.1171394372. The cubic root of 2220211200 is about 1304.5621172946.

Adding to 2220211200 its reverse (21120222), we get a palindrome (2241331422).

The spelling of 2220211200 in words is "two billion, two hundred twenty million, two hundred eleven thousand, two hundred".