2194297172 has 12 divisors (see below), whose sum is σ = 3841520256. Its totient is φ = 1096719960.

The previous prime is 2194297169. The next prime is 2194297187. The reversal of 2194297172 is 2717924912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95498 + ... + 116225.

It is an arithmetic number, because the mean of its divisors is an integer number (320126688).

Almost surely, 2^2194297172 is an apocalyptic number.

It is an amenable number.

2194297172 is a deficient number, since it is larger than the sum of its proper divisors (1647223084).

2194297172 is a wasteful number, since it uses less digits than its factorization.

2194297172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214318 (or 214316 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 2194297172 is about 46843.3257999472. The cubic root of 2194297172 is about 1299.4666790671.

The spelling of 2194297172 in words is "two billion, one hundred ninety-four million, two hundred ninety-seven thousand, one hundred seventy-two".