30228345 has 36 divisors (see below), whose sum is σ = 60954660. Its totient is φ = 13817664.

The previous prime is 30228313. The next prime is 30228361. The reversal of 30228345 is 54382203.

It can be written as a sum of positive squares in 2 ways, for example, as 19079424 + 11148921 = 4368^2 + 3339^2 .

It is not a de Polignac number, because 30228345 - 2⁵ = 30228313 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 4650 + ... + 9059.

It is an arithmetic number, because the mean of its divisors is an integer number (1693185).

Almost surely, 2^30228345 is an apocalyptic number.

30228345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30228345 is an abundant number, since it is smaller than the sum of its proper divisors (30726315).

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

30228345 is a wasteful number, since it uses less digits than its factorization.

30228345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734 (or 13724 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 30228345 is about 5498.0310111894. The cubic root of 30228345 is about 311.5096154924.

The spelling of 30228345 in words is "thirty million, two hundred twenty-eight thousand, three hundred forty-five".