1624223 has 2 divisors, whose sum is σ = 1624224. Its totient is φ = 1624222.

The previous prime is 1624213. The next prime is 1624241. The reversal of 1624223 is 3224261.

It is a weak prime.

It is an emirp because it is prime and its reverse (3224261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1624223 - 2⁶ = 1624159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1624195 and 1624204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1624213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812111 + 812112.

It is an arithmetic number, because the mean of its divisors is an integer number (812112).

2^1624223 is an apocalyptic number.

1624223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1624223 is an equidigital number, since it uses as much as digits as its factorization.

1624223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 20.

The square root of 1624223 is about 1274.4500774844. The cubic root of 1624223 is about 117.5479930699.

Adding to 1624223 its reverse (3224261), we get a palindrome (4848484).

The spelling of 1624223 in words is "one million, six hundred twenty-four thousand, two hundred twenty-three".