2217043040 has 48 divisors (see below), whose sum is σ = 5418388080. Its totient is φ = 856235520.

The previous prime is 2217043039. The next prime is 2217043051. The reversal of 2217043040 is 403407122.

It is a junction number, because it is equal to n+sod(n) for n = 2217042997 and 2217043015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234266 + ... + 243545.

It is an arithmetic number, because the mean of its divisors is an integer number (112883085).

Almost surely, 2^2217043040 is an apocalyptic number.

2217043040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2217043040 is an abundant number, since it is smaller than the sum of its proper divisors (3201345040).

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

2217043040 is a wasteful number, since it uses less digits than its factorization.

2217043040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477855 (or 477847 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2217043040 is about 47085.4865112383. The cubic root of 2217043040 is about 1303.9413011328.

The spelling of 2217043040 in words is "two billion, two hundred seventeen million, forty-three thousand, forty".