30228904 has 24 divisors (see below), whose sum is σ = 58714110. Its totient is φ = 14590016.

The previous prime is 30228899. The next prime is 30228929. The reversal of 30228904 is 40982203.

It can be written as a sum of positive squares in 3 ways, for example, as 30228004 + 900 = 5498^2 + 30^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4482 + ... + 8974.

Almost surely, 2^30228904 is an apocalyptic number.

It is an amenable number.

30228904 is a deficient number, since it is larger than the sum of its proper divisors (28485206).

30228904 is a wasteful number, since it uses less digits than its factorization.

30228904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 30228904 is about 5498.0818473355. The cubic root of 30228904 is about 311.5115356858.

The spelling of 30228904 in words is "thirty million, two hundred twenty-eight thousand, nine hundred four".