30332228 has 12 divisors (see below), whose sum is σ = 53438700. Its totient is φ = 15064032.

The previous prime is 30332221. The next prime is 30332257. The reversal of 30332228 is 82223303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 29246464 = 1042^2 + 5408^2 .

It is not an unprimeable number, because it can be changed into a prime (30332221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24851 + ... + 26042.

It is an arithmetic number, because the mean of its divisors is an integer number (4453225).

Almost surely, 2^30332228 is an apocalyptic number.

It is an amenable number.

30332228 is a deficient number, since it is larger than the sum of its proper divisors (23106472).

30332228 is a wasteful number, since it uses less digits than its factorization.

30332228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51046 (or 51044 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 30332228 is about 5507.4701996470. The cubic root of 30332228 is about 311.8660530657.

The spelling of 30332228 in words is "thirty million, three hundred thirty-two thousand, two hundred twenty-eight".