2222004 has 12 divisors (see below), whose sum is σ = 5184704. Its totient is φ = 740664.

The previous prime is 2221997. The next prime is 2222023. The reversal of 2222004 is 4002222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 185167 = 2222004 / (2 + 2 + 2 + 2 + 0 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92572 + ... + 92595.

2^2222004 is an apocalyptic number.

It is an amenable number.

2222004 is an abundant number, since it is smaller than the sum of its proper divisors (2962700).

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

2222004 is a wasteful number, since it uses less digits than its factorization.

2222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185174 (or 185172 counting only the distinct ones).

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

The square root of 2222004 is about 1490.6387892444. The cubic root of 2222004 is about 130.4913163436.

Adding to 2222004 its reverse (4002222), we get a palindrome (6224226).

The spelling of 2222004 in words is "two million, two hundred twenty-two thousand, four".