2215278195200 has 240 divisors, whose sum is σ = 6280087334400. Its totient is φ = 758617374720.

The previous prime is 2215278195167. The next prime is 2215278195259. The reversal of 2215278195200 is 25918725122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77310476 + ... + 77339124.

It is an arithmetic number, because the mean of its divisors is an integer number (26167030560).

Almost surely, 2^{2215278195200} is an apocalyptic number.

2215278195200 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 2215278195200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3140043667200).

2215278195200 is an abundant number, since it is smaller than the sum of its proper divisors (4064809139200).

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

2215278195200 is an equidigital number, since it uses as much as digits as its factorization.

2215278195200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29547 (or 29526 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 2215278195200 in words is "two trillion, two hundred fifteen billion, two hundred seventy-eight million, one hundred ninety-five thousand, two hundred".