2194305 has 16 divisors (see below), whose sum is σ = 3531264. Its totient is φ = 1163520.

The previous prime is 2194301. The next prime is 2194319. The reversal of 2194305 is 5034912.

It is not a de Polignac number, because 2194305 - 2² = 2194301 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2194301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3312 + ... + 3918.

It is an arithmetic number, because the mean of its divisors is an integer number (220704).

2^2194305 is an apocalyptic number.

It is an amenable number.

2194305 is a deficient number, since it is larger than the sum of its proper divisors (1336959).

2194305 is a wasteful number, since it uses less digits than its factorization.

2194305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2194305 is about 1481.3186692944. The cubic root of 2194305 is about 129.9468224317.

The spelling of 2194305 in words is "two million, one hundred ninety-four thousand, three hundred five".