1600223 has 2 divisors, whose sum is σ = 1600224. Its totient is φ = 1600222.

The previous prime is 1600219. The next prime is 1600241. The reversal of 1600223 is 3220061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1600223 - 2² = 1600219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1600198 and 1600207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1600243) 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 as a sum of consecutive naturals, namely, 800111 + 800112.

It is an arithmetic number, because the mean of its divisors is an integer number (800112).

2^1600223 is an apocalyptic number.

1600223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600223 is an equidigital number, since it uses as much as digits as its factorization.

1600223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1600223 is about 1264.9992094859. Note that the first 3 decimals coincide. The cubic root of 1600223 is about 116.9661430757.

Adding to 1600223 its reverse (3220061), we get a palindrome (4820284).

The spelling of 1600223 in words is "one million, six hundred thousand, two hundred twenty-three".