2194000916 has 18 divisors (see below), whose sum is σ = 3972811710. Its totient is φ = 1058929312.

The previous prime is 2194000883. The next prime is 2194000931. The reversal of 2194000916 is 6190004912.

It can be written as a sum of positive squares in 3 ways, for example, as 114276100 + 2079724816 = 10690^2 + 45604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502310 + ... + 506658.

Almost surely, 2^2194000916 is an apocalyptic number.

It is an amenable number.

2194000916 is a deficient number, since it is larger than the sum of its proper divisors (1778810794).

2194000916 is an frugal number, since it uses more digits than its factorization.

2194000916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2194000916 is about 46840.1634924559. The cubic root of 2194000916 is about 1299.4081953253.

The spelling of 2194000916 in words is "two billion, one hundred ninety-four million, nine hundred sixteen", and thus it is an aban number.