1828223 has 2 divisors, whose sum is σ = 1828224. Its totient is φ = 1828222.

The previous prime is 1828217. The next prime is 1828243. The reversal of 1828223 is 3228281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1828223 - 2¹⁸ = 1566079 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1828192 and 1828201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1828243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 914111 + 914112.

It is an arithmetic number, because the mean of its divisors is an integer number (914112).

2^1828223 is an apocalyptic number.

1828223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828223 is an equidigital number, since it uses as much as digits as its factorization.

1828223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 1828223 is about 1352.1179682261. The cubic root of 1828223 is about 122.2765160371.

The spelling of 1828223 in words is "one million, eight hundred twenty-eight thousand, two hundred twenty-three".