1870223 has 2 divisors, whose sum is σ = 1870224. Its totient is φ = 1870222.

The previous prime is 1870213. The next prime is 1870229. The reversal of 1870223 is 3220781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1870223 - 2⁴ = 1870207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1870229) 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, 935111 + 935112.

It is an arithmetic number, because the mean of its divisors is an integer number (935112).

2^1870223 is an apocalyptic number.

1870223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1870223 is an equidigital number, since it uses as much as digits as its factorization.

1870223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1870223 is about 1367.5609675623. The cubic root of 1870223 is about 123.2057938117.

The spelling of 1870223 in words is "one million, eight hundred seventy thousand, two hundred twenty-three".