1684422223 has 4 divisors (see below), whose sum is σ = 1837551528. Its totient is φ = 1531292920.

The previous prime is 1684422217. The next prime is 1684422241. The reversal of 1684422223 is 3222244861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1684422223 - 2²⁵ = 1650867791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684420223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76564636 + ... + 76564657.

It is an arithmetic number, because the mean of its divisors is an integer number (459387882).

Almost surely, 2^1684422223 is an apocalyptic number.

1684422223 is a deficient number, since it is larger than the sum of its proper divisors (153129305).

1684422223 is a wasteful number, since it uses less digits than its factorization.

1684422223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153129304.

The product of its digits is 36864, while the sum is 34.

The square root of 1684422223 is about 41041.7132074186. The cubic root of 1684422223 is about 1189.8265460531.

The spelling of 1684422223 in words is "one billion, six hundred eighty-four million, four hundred twenty-two thousand, two hundred twenty-three".