30226928 has 20 divisors (see below), whose sum is σ = 60148680. Its totient is φ = 14704704.

The previous prime is 30226927. The next prime is 30226949. The reversal of 30226928 is 82962203.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30226894 and 30226903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30226927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24938 + ... + 26121.

It is an arithmetic number, because the mean of its divisors is an integer number (3007434).

Almost surely, 2^30226928 is an apocalyptic number.

It is an amenable number.

30226928 is a deficient number, since it is larger than the sum of its proper divisors (29921752).

30226928 is a wasteful number, since it uses less digits than its factorization.

30226928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51104 (or 51098 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 30226928 is about 5497.9021453642. The cubic root of 30226928 is about 311.5047479195.

The spelling of 30226928 in words is "thirty million, two hundred twenty-six thousand, nine hundred twenty-eight".