766223 has 2 divisors, whose sum is σ = 766224. Its totient is φ = 766222.

The previous prime is 766211. The next prime is 766229. The reversal of 766223 is 322667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 766223 - 2¹⁰ = 765199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766192 and 766201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766229) 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, 383111 + 383112.

It is an arithmetic number, because the mean of its divisors is an integer number (383112).

2⁷⁶⁶²²³ is an apocalyptic number.

766223 is a deficient number, since it is larger than the sum of its proper divisors (1).

766223 is an equidigital number, since it uses as much as digits as its factorization.

766223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 766223 is about 875.3416475868. The cubic root of 766223 is about 91.5064544005.

Subtracting from 766223 its reverse (322667), we obtain a square (443556 = 666²).

It can be divided in two parts, 766 and 223, that added together give a palindrome (989).

The spelling of 766223 in words is "seven hundred sixty-six thousand, two hundred twenty-three".