222004004 has 24 divisors (see below), whose sum is σ = 406159488. Its totient is φ = 105976640.

The previous prime is 222003953. The next prime is 222004021. The reversal of 222004004 is 400400222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222004004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 54809 + ... + 58719.

It is an arithmetic number, because the mean of its divisors is an integer number (16923312).

Almost surely, 2^222004004 is an apocalyptic number.

It is an amenable number.

222004004 is a deficient number, since it is larger than the sum of its proper divisors (184155484).

222004004 is a wasteful number, since it uses less digits than its factorization.

222004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555 (or 4553 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 222004004 is about 14899.7987905877. The cubic root of 222004004 is about 605.5085349319.

Adding to 222004004 its reverse (400400222), we get a palindrome (622404226).

The spelling of 222004004 in words is "two hundred twenty-two million, four thousand, four".