1328229 has 24 divisors (see below), whose sum is σ = 2271360. Its totient is φ = 731808.

The previous prime is 1328219. The next prime is 1328231. The reversal of 1328229 is 9228231.

It is a happy number.

It is not a de Polignac number, because 1328229 - 2⁴ = 1328213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1464 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (94640).

2^1328229 is an apocalyptic number.

It is an amenable number.

1328229 is a deficient number, since it is larger than the sum of its proper divisors (943131).

1328229 is a wasteful number, since it uses less digits than its factorization.

1328229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 766 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1328229 is about 1152.4881778136. The cubic root of 1328229 is about 109.9236108760.

The spelling of 1328229 in words is "one million, three hundred twenty-eight thousand, two hundred twenty-nine".