2196218800 has 60 divisors (see below), whose sum is σ = 5298723360. Its totient is φ = 874773760.

The previous prime is 2196218771. The next prime is 2196218861. The reversal of 2196218800 is 88126912.

It is a self number, because there is not a number n which added to its sum of digits gives 2196218800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84114 + ... + 107086.

It is an arithmetic number, because the mean of its divisors is an integer number (88312056).

Almost surely, 2^2196218800 is an apocalyptic number.

2196218800 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 2196218800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649361680).

2196218800 is an abundant number, since it is smaller than the sum of its proper divisors (3102504560).

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

2196218800 is a wasteful number, since it uses less digits than its factorization.

2196218800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23230 (or 23219 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 2196218800 is about 46863.8325364027. The cubic root of 2196218800 is about 1299.8458988934.

The spelling of 2196218800 in words is "two billion, one hundred ninety-six million, two hundred eighteen thousand, eight hundred".