812233 has 2 divisors, whose sum is σ = 812234. Its totient is φ = 812232.

The previous prime is 812221. The next prime is 812249. The reversal of 812233 is 332218.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466489 + 345744 = 683^2 + 588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-812233 is a prime.

812233 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 812233.

It is not a weakly prime, because it can be changed into another prime (812213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406116 + 406117.

It is an arithmetic number, because the mean of its divisors is an integer number (406117).

2⁸¹²²³³ is an apocalyptic number.

It is an amenable number.

812233 is a deficient number, since it is larger than the sum of its proper divisors (1).

812233 is an equidigital number, since it uses as much as digits as its factorization.

812233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 812233 is about 901.2397017442. The cubic root of 812233 is about 93.3025564624.

The spelling of 812233 in words is "eight hundred twelve thousand, two hundred thirty-three".