2216488940 has 24 divisors (see below), whose sum is σ = 4659935280. Its totient is φ = 885584448.

The previous prime is 2216488919. The next prime is 2216488997. The reversal of 2216488940 is 498846122.

It is a super-2 number, since 2×2216488940² = 9825646442284647200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2216488891 and 2216488900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45095 + ... + 80414.

It is an arithmetic number, because the mean of its divisors is an integer number (194163970).

Almost surely, 2^2216488940 is an apocalyptic number.

2216488940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216488940 is an abundant number, since it is smaller than the sum of its proper divisors (2443446340).

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

2216488940 is a wasteful number, since it uses less digits than its factorization.

2216488940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126401 (or 126399 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 2216488940 is about 47079.6021648442. The cubic root of 2216488940 is about 1303.8326618233.

The spelling of 2216488940 in words is "two billion, two hundred sixteen million, four hundred eighty-eight thousand, nine hundred forty".