1330229 has 2 divisors, whose sum is σ = 1330230. Its totient is φ = 1330228.

The previous prime is 1330223. The next prime is 1330237. The reversal of 1330229 is 9220331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 142129 = 1090^2 + 377^2 .

It is an emirp because it is prime and its reverse (9220331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330229 - 2⁴ = 1330213 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665114 + 665115.

It is an arithmetic number, because the mean of its divisors is an integer number (665115).

2^1330229 is an apocalyptic number.

It is an amenable number.

1330229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330229 is an equidigital number, since it uses as much as digits as its factorization.

1330229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1330229 is about 1153.3555392853. The cubic root of 1330229 is about 109.9787562281.

It can be divided in two parts, 13302 and 29, that added together give a palindrome (13331).

The spelling of 1330229 in words is "one million, three hundred thirty thousand, two hundred twenty-nine".