147320228 has 24 divisors (see below), whose sum is σ = 281807904. Its totient is φ = 66830400.

The previous prime is 147320213. The next prime is 147320263. The reversal of 147320228 is 822023741.

147320228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 147320228.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21008 + ... + 27128.

It is an arithmetic number, because the mean of its divisors is an integer number (11741996).

Almost surely, 2^147320228 is an apocalyptic number.

It is an amenable number.

147320228 is a deficient number, since it is larger than the sum of its proper divisors (134487676).

147320228 is a wasteful number, since it uses less digits than its factorization.

147320228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683 (or 6681 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 147320228 is about 12137.5544488995. The cubic root of 147320228 is about 528.1461611352.

Adding to 147320228 its reverse (822023741), we get a palindrome (969343969).

The spelling of 147320228 in words is "one hundred forty-seven million, three hundred twenty thousand, two hundred twenty-eight".