30434228 has 12 divisors (see below), whose sum is σ = 58101792. Its totient is φ = 13833720.

The previous prime is 30434213. The next prime is 30434231. The reversal of 30434228 is 82243403.

It is a junction number, because it is equal to n+sod(n) for n = 30434197 and 30434206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345800 + ... + 345887.

It is an arithmetic number, because the mean of its divisors is an integer number (4841816).

Almost surely, 2^30434228 is an apocalyptic number.

It is an amenable number.

30434228 is a deficient number, since it is larger than the sum of its proper divisors (27667564).

30434228 is a wasteful number, since it uses less digits than its factorization.

30434228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691702 (or 691700 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 30434228 is about 5516.7225777630. The cubic root of 30434228 is about 312.2152388343.

The spelling of 30434228 in words is "thirty million, four hundred thirty-four thousand, two hundred twenty-eight".