2217364660 has 96 divisors (see below), whose sum is σ = 5557305600. Its totient is φ = 742460544.

The previous prime is 2217364571. The next prime is 2217364687. The reversal of 2217364660 is 664637122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291222 + ... + 298738.

It is an arithmetic number, because the mean of its divisors is an integer number (57888600).

Almost surely, 2^2217364660 is an apocalyptic number.

2217364660 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 2217364660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778652800).

2217364660 is an abundant number, since it is smaller than the sum of its proper divisors (3339940940).

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

2217364660 is a wasteful number, since it uses less digits than its factorization.

2217364660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590 (or 7574 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2217364660 is about 47088.9016648297. The cubic root of 2217364660 is about 1304.0043510776.

The spelling of 2217364660 in words is "two billion, two hundred seventeen million, three hundred sixty-four thousand, six hundred sixty".