2217488680 has 32 divisors (see below), whose sum is σ = 5442927840. Its totient is φ = 806359360.

The previous prime is 2217488671. The next prime is 2217488681. The reversal of 2217488680 is 868847122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2217488680.

It is not an unprimeable number, because it can be changed into a prime (2217488681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519434 + ... + 2520313.

It is an arithmetic number, because the mean of its divisors is an integer number (170091495).

Almost surely, 2^2217488680 is an apocalyptic number.

2217488680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2217488680 is an abundant number, since it is smaller than the sum of its proper divisors (3225439160).

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

2217488680 is a wasteful number, since it uses less digits than its factorization.

2217488680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039769 (or 5039765 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 2217488680 is about 47090.2185172250. The cubic root of 2217488680 is about 1304.0286621600.

The spelling of 2217488680 in words is "two billion, two hundred seventeen million, four hundred eighty-eight thousand, six hundred eighty".