330224261 has 2 divisors, whose sum is σ = 330224262. Its totient is φ = 330224260.

The previous prime is 330224249. The next prime is 330224263. The reversal of 330224261 is 162422033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237468100 + 92756161 = 15410^2 + 9631^2 .

It is a cyclic number.

It is not a de Polignac number, because 330224261 - 2⁶ = 330224197 is a prime.

It is a super-2 number, since 2×330224261² = 218096125105992242, which contains 22 as substring.

Together with 330224263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330224263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165112130 + 165112131.

It is an arithmetic number, because the mean of its divisors is an integer number (165112131).

Almost surely, 2^330224261 is an apocalyptic number.

It is an amenable number.

330224261 is a deficient number, since it is larger than the sum of its proper divisors (1).

330224261 is an equidigital number, since it uses as much as digits as its factorization.

330224261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 330224261 is about 18172.0736571257. The cubic root of 330224261 is about 691.1988267890.

Adding to 330224261 its reverse (162422033), we get a palindrome (492646294).

The spelling of 330224261 in words is "three hundred thirty million, two hundred twenty-four thousand, two hundred sixty-one".