30228456 has 32 divisors (see below), whose sum is σ = 75860640. Its totient is φ = 10037568.

The previous prime is 30228437. The next prime is 30228467. The reversal of 30228456 is 65482203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4375 + ... + 8921.

It is an arithmetic number, because the mean of its divisors is an integer number (2370645).

Almost surely, 2^30228456 is an apocalyptic number.

It is an amenable number.

30228456 is an abundant number, since it is smaller than the sum of its proper divisors (45632184).

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

30228456 is a wasteful number, since it uses less digits than its factorization.

30228456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833 (or 4829 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 30228456 is about 5498.0411057030. The cubic root of 30228456 is about 311.5099967849.

The spelling of 30228456 in words is "thirty million, two hundred twenty-eight thousand, four hundred fifty-six".