6630229 has 2 divisors, whose sum is σ = 6630230. Its totient is φ = 6630228.

The previous prime is 6630227. The next prime is 6630257. The reversal of 6630229 is 9220366.

It is an a-pointer prime, because the next prime (6630257) can be obtained adding 6630229 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5650129 + 980100 = 2377^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 6630229 - 2¹ = 6630227 is a prime.

It is a super-3 number, since 3×6630229³ (a number of 21 digits) contains 333 as substring.

Together with 6630227, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6630197 and 6630206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6630223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315114 + 3315115.

It is an arithmetic number, because the mean of its divisors is an integer number (3315115).

Almost surely, 2^6630229 is an apocalyptic number.

It is an amenable number.

6630229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630229 is an equidigital number, since it uses as much as digits as its factorization.

6630229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 6630229 is about 2574.9231056480. The cubic root of 6630229 is about 187.8636875925.

It can be divided in two parts, 6630 and 229, that added together give a cube (6859 = 19³).

The spelling of 6630229 in words is "six million, six hundred thirty thousand, two hundred twenty-nine".