2194755712 has 16 divisors (see below), whose sum is σ = 4372365150. Its totient is φ = 1097377792.

The previous prime is 2194755679. The next prime is 2194755713. The reversal of 2194755712 is 2175574912.

It can be written as a sum of positive squares in only one way, i.e., 2066975296 + 127780416 = 45464^2 + 11304^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (2194755713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8573137 + ... + 8573392.

Almost surely, 2^2194755712 is an apocalyptic number.

It is an amenable number.

2194755712 is a deficient number, since it is larger than the sum of its proper divisors (2177609438).

2194755712 is an equidigital number, since it uses as much as digits as its factorization.

2194755712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17146543 (or 17146531 counting only the distinct ones).

The product of its digits is 176400, while the sum is 43.

The square root of 2194755712 is about 46848.2199448389. The cubic root of 2194755712 is about 1299.5571888300.

The spelling of 2194755712 in words is "two billion, one hundred ninety-four million, seven hundred fifty-five thousand, seven hundred twelve".