222004 has 6 divisors (see below), whose sum is σ = 388514. Its totient is φ = 111000.

The previous prime is 221999. The next prime is 222007. The reversal of 222004 is 400222.

It is a happy number.

222004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 10404 = 460^2 + 102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27747 + ... + 27754.

2²²²⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

222004 is a deficient number, since it is larger than the sum of its proper divisors (166510).

222004 is a wasteful number, since it uses less digits than its factorization.

222004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55505 (or 55503 counting only the distinct ones).

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

The square root of 222004 is about 471.1730043201. The cubic root of 222004 is about 60.5508531295.

Adding to 222004 its reverse (400222), we get a palindrome (622226).

The spelling of 222004 in words is "two hundred twenty-two thousand, four", and thus it is an iban number.