2194205 has 8 divisors (see below), whose sum is σ = 2835672. Its totient is φ = 1620288.

The previous prime is 2194201. The next prime is 2194229. The reversal of 2194205 is 5024912.

It can be written as a sum of positive squares in 4 ways, for example, as 80089 + 2114116 = 283^2 + 1454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2194205 - 2² = 2194201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16814 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (354459).

2^2194205 is an apocalyptic number.

It is an amenable number.

2194205 is a deficient number, since it is larger than the sum of its proper divisors (641467).

2194205 is a wasteful number, since it uses less digits than its factorization.

2194205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33775.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2194205 is about 1481.2849152003. The cubic root of 2194205 is about 129.9448484005.

The spelling of 2194205 in words is "two million, one hundred ninety-four thousand, two hundred five".