13302229 has 2 divisors, whose sum is σ = 13302230. Its totient is φ = 13302228.

The previous prime is 13302227. The next prime is 13302239. The reversal of 13302229 is 92220331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13140625 + 161604 = 3625^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 13302229 - 2¹ = 13302227 is a prime.

Together with 13302227, 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 (13302221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651114 + 6651115.

It is an arithmetic number, because the mean of its divisors is an integer number (6651115).

Almost surely, 2^13302229 is an apocalyptic number.

It is an amenable number.

13302229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13302229 is an equidigital number, since it uses as much as digits as its factorization.

13302229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13302229 is about 3647.2220935940. Note that the first 3 decimals coincide. The cubic root of 13302229 is about 236.9416854040.

It can be divided in two parts, 13302 and 229, that added together give a palindrome (13531).

The spelling of 13302229 in words is "thirteen million, three hundred two thousand, two hundred twenty-nine".