30448228 has 24 divisors (see below), whose sum is σ = 56024640. Its totient is φ = 14451360.

The previous prime is 30448219. The next prime is 30448247. The reversal of 30448228 is 82284403.

It is a self number, because there is not a number n which added to its sum of digits gives 30448228.

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 7 ways as a sum of consecutive naturals, for example, 11598 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (2334360).

Almost surely, 2^30448228 is an apocalyptic number.

It is an amenable number.

30448228 is a deficient number, since it is larger than the sum of its proper divisors (25576412).

30448228 is a wasteful number, since it uses less digits than its factorization.

30448228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2547 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 30448228 is about 5517.9913011892. The cubic root of 30448228 is about 312.2631053710.

The spelling of 30448228 in words is "thirty million, four hundred forty-eight thousand, two hundred twenty-eight".