30228924 has 96 divisors (see below), whose sum is σ = 85881600. Its totient is φ = 8156160.

The previous prime is 30228899. The next prime is 30228929. The reversal of 30228924 is 42982203.

It is a junction number, because it is equal to n+sod(n) for n = 30228891 and 30228900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30228929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42282 + ... + 42990.

It is an arithmetic number, because the mean of its divisors is an integer number (894600).

Almost surely, 2^30228924 is an apocalyptic number.

30228924 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30228924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42940800).

30228924 is an abundant number, since it is smaller than the sum of its proper divisors (55652676).

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

30228924 is a wasteful number, since it uses less digits than its factorization.

30228924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 30228924 is about 5498.0836661513. The cubic root of 30228924 is about 311.5116043864.

The spelling of 30228924 in words is "thirty million, two hundred twenty-eight thousand, nine hundred twenty-four".