1530228 has 24 divisors (see below), whose sum is σ = 4080832. Its totient is φ = 437184.

The previous prime is 1530227. The next prime is 1530229. The reversal of 1530228 is 8220351.

It is an interprime number because it is at equal distance from previous prime (1530227) and next prime (1530229).

It is a Harshad number since it is a multiple of its sum of digits (21).

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9025 + ... + 9192.

2^1530228 is an apocalyptic number.

It is an amenable number.

1530228 is an abundant number, since it is smaller than the sum of its proper divisors (2550604).

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

1530228 is a wasteful number, since it uses less digits than its factorization.

1530228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231 (or 18229 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1530228 is about 1237.0238477895. The cubic root of 1530228 is about 115.2352587869.

Adding to 1530228 its reverse (8220351), we get a palindrome (9750579).

The spelling of 1530228 in words is "one million, five hundred thirty thousand, two hundred twenty-eight".