30226128 has 20 divisors (see below), whose sum is σ = 78084288. Its totient is φ = 10075360.

The previous prime is 30226121. The next prime is 30226201. The reversal of 30226128 is 82162203.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30226098 and 30226107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30226121) 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 3 ways as a sum of consecutive naturals, for example, 314808 + ... + 314903.

Almost surely, 2^30226128 is an apocalyptic number.

It is an amenable number.

30226128 is an abundant number, since it is smaller than the sum of its proper divisors (47858160).

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

30226128 is a wasteful number, since it uses less digits than its factorization.

30226128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629722 (or 629716 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 30226128 is about 5497.8293898592. The cubic root of 30226128 is about 311.5019997518.

The spelling of 30226128 in words is "thirty million, two hundred twenty-six thousand, one hundred twenty-eight".