1018223 has 2 divisors, whose sum is σ = 1018224. Its totient is φ = 1018222.

The previous prime is 1018217. The next prime is 1018247. The reversal of 1018223 is 3228101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1018223 - 2⁴ = 1018207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1018253) 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, 509111 + 509112.

It is an arithmetic number, because the mean of its divisors is an integer number (509112).

2^1018223 is an apocalyptic number.

1018223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018223 is an equidigital number, since it uses as much as digits as its factorization.

1018223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1018223 is about 1009.0703642462. The cubic root of 1018223 is about 100.6037804876.

The spelling of 1018223 in words is "one million, eighteen thousand, two hundred twenty-three".