30224128 has 36 divisors (see below), whose sum is σ = 65820888. Its totient is φ = 13736960.

The previous prime is 30224123. The next prime is 30224143. The reversal of 30224128 is 82142203.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30224099 and 30224108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30224123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (1828358).

Almost surely, 2^30224128 is an apocalyptic number.

It is an amenable number.

30224128 is an abundant number, since it is smaller than the sum of its proper divisors (35596760).

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

30224128 is a wasteful number, since it uses less digits than its factorization.

30224128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760 (or 10746 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 30224128 is about 5497.6474968845. The cubic root of 30224128 is about 311.4951291206.

The spelling of 30224128 in words is "thirty million, two hundred twenty-four thousand, one hundred twenty-eight".