2217807012 has 48 divisors (see below), whose sum is σ = 5569143552. Its totient is φ = 684372480.

The previous prime is 2217806971. The next prime is 2217807013. The reversal of 2217807012 is 2107087122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2217807013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76668 + ... + 101555.

It is an arithmetic number, because the mean of its divisors is an integer number (116023824).

Almost surely, 2^2217807012 is an apocalyptic number.

It is an amenable number.

2217807012 is an abundant number, since it is smaller than the sum of its proper divisors (3351336540).

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

2217807012 is a wasteful number, since it uses less digits than its factorization.

2217807012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178308 (or 178306 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 2217807012 is about 47093.5984184687. The cubic root of 2217807012 is about 1304.0910592000.

The spelling of 2217807012 in words is "two billion, two hundred seventeen million, eight hundred seven thousand, twelve".