1992223 has 4 divisors (see below), whose sum is σ = 1995048. Its totient is φ = 1989400.

The previous prime is 1992203. The next prime is 1992227. The reversal of 1992223 is 3222991.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1992223 - 2¹⁷ = 1861151 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1992191 and 1992200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992227) 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, 648 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (498762).

2^1992223 is an apocalyptic number.

1992223 is a deficient number, since it is larger than the sum of its proper divisors (2825).

1992223 is a wasteful number, since it uses less digits than its factorization.

1992223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824.

The product of its digits is 1944, while the sum is 28.

The square root of 1992223 is about 1411.4612995049. The cubic root of 1992223 is about 125.8285860915.

The spelling of 1992223 in words is "one million, nine hundred ninety-two thousand, two hundred twenty-three".