672223 has 2 divisors, whose sum is σ = 672224. Its totient is φ = 672222.

The previous prime is 672209. The next prime is 672227. The reversal of 672223 is 322276.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672223 is a prime.

It is equal to p₅₄₄₈₁ and since 672223 and 54481 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 672194 and 672203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672227) 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, 336111 + 336112.

It is an arithmetic number, because the mean of its divisors is an integer number (336112).

2⁶⁷²²²³ is an apocalyptic number.

672223 is a deficient number, since it is larger than the sum of its proper divisors (1).

672223 is an equidigital number, since it uses as much as digits as its factorization.

672223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 22.

The square root of 672223 is about 819.8920660672. The cubic root of 672223 is about 87.6000705434.

Adding to 672223 its reverse (322276), we get a palindrome (994499).

The spelling of 672223 in words is "six hundred seventy-two thousand, two hundred twenty-three".