1530220272 has 40 divisors (see below), whose sum is σ = 4517794176. Its totient is φ = 437205696.

The previous prime is 1530220261. The next prime is 1530220273. The reversal of 1530220272 is 2720220351.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530220273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2276778 + ... + 2277449.

Almost surely, 2^1530220272 is an apocalyptic number.

1530220272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1530220272 is an abundant number, since it is smaller than the sum of its proper divisors (2987573904).

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

1530220272 is a wasteful number, since it uses less digits than its factorization.

1530220272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554245 (or 4554239 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 1530220272 is about 39118.0300117478. The cubic root of 1530220272 is about 1152.3506479843.

The spelling of 1530220272 in words is "one billion, five hundred thirty million, two hundred twenty thousand, two hundred seventy-two".