1530224 has 20 divisors (see below), whose sum is σ = 3016920. Its totient is φ = 751680.

The previous prime is 1530197. The next prime is 1530227. The reversal of 1530224 is 4220351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134 + ... + 1754.

It is an arithmetic number, because the mean of its divisors is an integer number (150846).

2^1530224 is an apocalyptic number.

It is an amenable number.

1530224 is a deficient number, since it is larger than the sum of its proper divisors (1486696).

1530224 is a wasteful number, since it uses less digits than its factorization.

1530224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1530224 is about 1237.0222310048. The cubic root of 1530224 is about 115.2351583789.

Adding to 1530224 its reverse (4220351), we get a palindrome (5750575).

The spelling of 1530224 in words is "one million, five hundred thirty thousand, two hundred twenty-four".