2204004 has 48 divisors (see below), whose sum is σ = 5725440. Its totient is φ = 654240.

The previous prime is 2204003. The next prime is 2204009. The reversal of 2204004 is 4004022.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 15 ways as a sum of consecutive naturals, for example, 7647 + ... + 7929.

It is an arithmetic number, because the mean of its divisors is an integer number (119280).

2^2204004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2204004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2862720).

2204004 is an abundant number, since it is smaller than the sum of its proper divisors (3521436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2204004 is a wasteful number, since it uses less digits than its factorization.

2204004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2204004 is about 1484.5888319666. The cubic root of 2204004 is about 130.1379994137.

Adding to 2204004 its reverse (4004022), we get a palindrome (6208026).

It can be divided in two parts, 220 and 4004, that added together give a palindrome (4224).

The spelling of 2204004 in words is "two million, two hundred four thousand, four".