2198664237200 has 30 divisors (see below), whose sum is σ = 5282290830834. Its totient is φ = 879465694720.

The previous prime is 2198664237199. The next prime is 2198664237229. The reversal of 2198664237200 is 27324668912.

It can be written as a sum of positive squares in 3 ways, for example, as 5552038144 + 2193112199056 = 74512^2 + 1480916^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2748329897 + ... + 2748330696.

Almost surely, 2^{2198664237200} is an apocalyptic number.

2198664237200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2198664237200 is an abundant number, since it is smaller than the sum of its proper divisors (3083626593634).

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

2198664237200 is a wasteful number, since it uses less digits than its factorization.

2198664237200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496660611 (or 5496660600 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 2198664237200 in words is "two trillion, one hundred ninety-eight billion, six hundred sixty-four million, two hundred thirty-seven thousand, two hundred".