2204001 has 6 divisors (see below), whose sum is σ = 3183570. Its totient is φ = 1469328.

The previous prime is 2203997. The next prime is 2204003. The reversal of 2204001 is 1004022.

2204001 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 904401 = 1140^2 + 951^2 .

It is not a de Polignac number, because 2204001 - 2² = 2203997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 244889 = 2204001 / (2 + 2 + 0 + 4 + 0 + 0 + 1).

2204001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2204003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122436 + ... + 122453.

It is an arithmetic number, because the mean of its divisors is an integer number (530595).

2^2204001 is an apocalyptic number.

It is an amenable number.

2204001 is a deficient number, since it is larger than the sum of its proper divisors (979569).

2204001 is a wasteful number, since it uses less digits than its factorization.

2204001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244895 (or 244892 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2204001 is about 1484.5878215855. The cubic root of 2204001 is about 130.1379403675.

Adding to 2204001 its reverse (1004022), we get a palindrome (3208023).

The spelling of 2204001 in words is "two million, two hundred four thousand, one".