2217203536672 has 24 divisors (see below), whose sum is σ = 4515640825500. Its totient is φ = 1070374120704.

The previous prime is 2217203536657. The next prime is 2217203536679. The reversal of 2217203536672 is 2766353027122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2118177516816 + 99026019856 = 1455396^2 + 314684^2 .

It is not an unprimeable number, because it can be changed into a prime (2217203536679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194613047 + ... + 1194614902.

Almost surely, 2^{2217203536672} is an apocalyptic number.

It is an amenable number.

2217203536672 is an abundant number, since it is smaller than the sum of its proper divisors (2298437288828).

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

2217203536672 is a wasteful number, since it uses less digits than its factorization.

2217203536672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389227988 (or 2389227980 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 2217203536672 in words is "two trillion, two hundred seventeen billion, two hundred three million, five hundred thirty-six thousand, six hundred seventy-two".