2216792128 has 14 divisors (see below), whose sum is σ = 4398947006. Its totient is φ = 1108396032.

The previous prime is 2216792117. The next prime is 2216792143. The reversal of 2216792128 is 8212976122.

It can be written as a sum of positive squares in only one way, i.e., 1677066304 + 539725824 = 40952^2 + 23232^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17318625 + ... + 17318752.

Almost surely, 2^2216792128 is an apocalyptic number.

It is an amenable number.

2216792128 is a deficient number, since it is larger than the sum of its proper divisors (2182154878).

2216792128 is an equidigital number, since it uses as much as digits as its factorization.

2216792128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34637389 (or 34637379 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 2216792128 is about 47082.8220054831. The cubic root of 2216792128 is about 1303.8921084533.

The spelling of 2216792128 in words is "two billion, two hundred sixteen million, seven hundred ninety-two thousand, one hundred twenty-eight".