2216004928 has 14 divisors (see below), whose sum is σ = 4397384906. Its totient is φ = 1108002432.

The previous prime is 2216004911. The next prime is 2216004937. The reversal of 2216004928 is 8294006122.

It can be written as a sum of positive squares in only one way, i.e., 1405350144 + 810654784 = 37488^2 + 28472^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2216004893 and 2216004902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17312475 + ... + 17312602.

Almost surely, 2^2216004928 is an apocalyptic number.

It is an amenable number.

2216004928 is a deficient number, since it is larger than the sum of its proper divisors (2181379978).

2216004928 is an equidigital number, since it uses as much as digits as its factorization.

2216004928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34625089 (or 34625079 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2216004928 is about 47074.4615263945. The cubic root of 2216004928 is about 1303.7377494623.

The spelling of 2216004928 in words is "two billion, two hundred sixteen million, four thousand, nine hundred twenty-eight".