8223133 has 2 divisors, whose sum is σ = 8223134. Its totient is φ = 8223132.

The previous prime is 8223119. The next prime is 8223157. The reversal of 8223133 is 3313228.

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., 5257849 + 2965284 = 2293^2 + 1722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8223133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8223113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111566 + 4111567.

It is an arithmetic number, because the mean of its divisors is an integer number (4111567).

Almost surely, 2^8223133 is an apocalyptic number.

It is an amenable number.

8223133 is a deficient number, since it is larger than the sum of its proper divisors (1).

8223133 is an equidigital number, since it uses as much as digits as its factorization.

8223133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 8223133 is about 2867.6005649323. The cubic root of 8223133 is about 201.8424170464.

The spelling of 8223133 in words is "eight million, two hundred twenty-three thousand, one hundred thirty-three".