2220004 has 12 divisors (see below), whose sum is σ = 3975664. Its totient is φ = 1084104.

The previous prime is 2219999. The next prime is 2220007. The reversal of 2220004 is 4000222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2220007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6282 + ... + 6625.

2^2220004 is an apocalyptic number.

It is an amenable number.

2220004 is a deficient number, since it is larger than the sum of its proper divisors (1755660).

2220004 is a wasteful number, since it uses less digits than its factorization.

2220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954 (or 12952 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2220004 is about 1489.9677848866. The cubic root of 2220004 is about 130.4521533516.

Adding to 2220004 its reverse (4000222), we get a palindrome (6220226).

The spelling of 2220004 in words is "two million, two hundred twenty thousand, four".