2204164 has 24 divisors (see below), whose sum is σ = 4050648. Its totient is φ = 1048320.

The previous prime is 2204161. The next prime is 2204173. The reversal of 2204164 is 4614022.

It can be written as a sum of positive squares in 4 ways, for example, as 1188100 + 1016064 = 1090^2 + 1008^2 .

It is not an unprimeable number, because it can be changed into a prime (2204161) 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, 7704 + ... + 7984.

It is an arithmetic number, because the mean of its divisors is an integer number (168777).

2^2204164 is an apocalyptic number.

It is an amenable number.

2204164 is a deficient number, since it is larger than the sum of its proper divisors (1846484).

2204164 is a wasteful number, since it uses less digits than its factorization.

2204164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2204164 is about 1484.6427179628. The cubic root of 2204164 is about 130.1411484667.

Adding to 2204164 its reverse (4614022), we get a palindrome (6818186).

The spelling of 2204164 in words is "two million, two hundred four thousand, one hundred sixty-four".