2220011200 has 126 divisors (see below), whose sum is σ = 6004885628. Its totient is φ = 807206400.

The previous prime is 2220011197. The next prime is 2220011203. The reversal of 2220011200 is 21100222.

It is an interprime number because it is at equal distance from previous prime (2220011197) and next prime (2220011203).

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

It is not an unprimeable number, because it can be changed into a prime (2220011203) 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, 187867 + ... + 199333.

Almost surely, 2^2220011200 is an apocalyptic number.

2220011200 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 2220011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3002442814).

2220011200 is an abundant number, since it is smaller than the sum of its proper divisors (3784874428).

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

2220011200 is a wasteful number, since it uses less digits than its factorization.

2220011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511 (or 11485 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2220011200 is about 47116.9948107899. The cubic root of 2220011200 is about 1304.5229438054.

Adding to 2220011200 its reverse (21100222), we get a palindrome (2241111422).

The spelling of 2220011200 in words is "two billion, two hundred twenty million, eleven thousand, two hundred".