30228331 has 8 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 25874088.

The previous prime is 30228313. The next prime is 30228361. The reversal of 30228331 is 13382203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30228331 - 2⁷ = 30228203 is a prime.

It is a super-2 number, since 2×30228331² = 1827503990091122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30228311) 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, 3300 + ... + 8446.

It is an arithmetic number, because the mean of its divisors is an integer number (4324320).

Almost surely, 2^30228331 is an apocalyptic number.

30228331 is a deficient number, since it is larger than the sum of its proper divisors (4366229).

30228331 is an equidigital number, since it uses as much as digits as its factorization.

30228331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5993.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30228331 is about 5498.0297380062. The cubic root of 30228331 is about 311.5095674014.

The spelling of 30228331 in words is "thirty million, two hundred twenty-eight thousand, three hundred thirty-one".