1330224 has 80 divisors (see below), whose sum is σ = 4071168. Its totient is φ = 366336.

The previous prime is 1330223. The next prime is 1330229. The reversal of 1330224 is 4220331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12379 + ... + 12485.

2^1330224 is an apocalyptic number.

1330224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035584).

1330224 is an abundant number, since it is smaller than the sum of its proper divisors (2740944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330224 is a wasteful number, since it uses less digits than its factorization.

1330224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1330224 is about 1153.3533716949. The cubic root of 1330224 is about 109.9786184337.

Adding to 1330224 its reverse (4220331), we get a palindrome (5550555).

The spelling of 1330224 in words is "one million, three hundred thirty thousand, two hundred twenty-four".