2215117200 has 60 divisors (see below), whose sum is σ = 7095762608. Its totient is φ = 590697600.

The previous prime is 2215117171. The next prime is 2215117213. The reversal of 2215117200 is 27115122.

It is a tau number, because it is divible by the number of its divisors (60).

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, 921766 + ... + 924165.

Almost surely, 2^2215117200 is an apocalyptic number.

2215117200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215117200 is an abundant number, since it is smaller than the sum of its proper divisors (4880645408).

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

2215117200 is a wasteful number, since it uses less digits than its factorization.

2215117200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845952 (or 1845941 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 2215117200 is about 47065.0316052162. The cubic root of 2215117200 is about 1303.5636344636.

The spelling of 2215117200 in words is "two billion, two hundred fifteen million, one hundred seventeen thousand, two hundred".