222004849 has 4 divisors (see below), whose sum is σ = 242187120. Its totient is φ = 201822580.

The previous prime is 222004841. The next prime is 222004879. The reversal of 222004849 is 948400222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222004849 - 2³ = 222004841 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222004849.

It is not an unprimeable number, because it can be changed into a prime (222004841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10091119 + ... + 10091140.

It is an arithmetic number, because the mean of its divisors is an integer number (60546780).

Almost surely, 2^222004849 is an apocalyptic number.

It is an amenable number.

222004849 is a deficient number, since it is larger than the sum of its proper divisors (20182271).

222004849 is a wasteful number, since it uses less digits than its factorization.

222004849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182270.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 222004849 is about 14899.8271466484. The cubic root of 222004849 is about 605.5093031674.

The spelling of 222004849 in words is "two hundred twenty-two million, four thousand, eight hundred forty-nine".