30093228 has 96 divisors (see below), whose sum is σ = 86526720. Its totient is φ = 8968320.

The previous prime is 30093209. The next prime is 30093257. The reversal of 30093228 is 82239003.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86551 + ... + 86897.

It is an arithmetic number, because the mean of its divisors is an integer number (901320).

Almost surely, 2^30093228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30093228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43263360).

30093228 is an abundant number, since it is smaller than the sum of its proper divisors (56433492).

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

30093228 is a wasteful number, since it uses less digits than its factorization.

30093228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30093228 is about 5485.7294865861. The cubic root of 30093228 is about 311.0447856155.

It can be divided in two parts, 300 and 93228, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 30093228 in words is "thirty million, ninety-three thousand, two hundred twenty-eight".