30924228 has 24 divisors (see below), whose sum is σ = 73519488. Its totient is φ = 10113376.

The previous prime is 30924227. The next prime is 30924239. The reversal of 30924228 is 82242903.

It is a junction number, because it is equal to n+sod(n) for n = 30924195 and 30924204.

It is not an unprimeable number, because it can be changed into a prime (30924221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23676 + ... + 24947.

It is an arithmetic number, because the mean of its divisors is an integer number (3063312).

Almost surely, 2^30924228 is an apocalyptic number.

It is an amenable number.

30924228 is an abundant number, since it is smaller than the sum of its proper divisors (42595260).

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

30924228 is a wasteful number, since it uses less digits than its factorization.

30924228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48683 (or 48681 counting only the distinct ones).

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

The square root of 30924228 is about 5560.9556732634. The cubic root of 30924228 is about 313.8819115907.

Subtracting from 30924228 its product of nonzero digits (6912), we obtain a triangular number (30917316 = T₇₈₆₃).

The spelling of 30924228 in words is "thirty million, nine hundred twenty-four thousand, two hundred twenty-eight".