12302233 has 2 divisors, whose sum is σ = 12302234. Its totient is φ = 12302232.

The previous prime is 12302221. The next prime is 12302243. The reversal of 12302233 is 33220321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 5583769 = 2592^2 + 2363^2 .

It is an emirp because it is prime and its reverse (33220321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12302233 - 2¹³ = 12294041 is a prime.

It is not a weakly prime, because it can be changed into another prime (12302243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151116 + 6151117.

It is an arithmetic number, because the mean of its divisors is an integer number (6151117).

Almost surely, 2^12302233 is an apocalyptic number.

It is an amenable number.

12302233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302233 is an equidigital number, since it uses as much as digits as its factorization.

12302233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 12302233 is about 3507.4539198684. The cubic root of 12302233 is about 230.8489920897.

Adding to 12302233 its reverse (33220321), we get a palindrome (45522554).

The spelling of 12302233 in words is "twelve million, three hundred two thousand, two hundred thirty-three".