30224256 has 64 divisors (see below), whose sum is σ = 82905600. Its totient is φ = 9745920.

The previous prime is 30224251. The next prime is 30224267. The reversal of 30224256 is 65242203.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30224251) 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, 10635 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (1295400).

Almost surely, 2^30224256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30224256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41452800).

30224256 is an abundant number, since it is smaller than the sum of its proper divisors (52681344).

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

30224256 is a wasteful number, since it uses less digits than its factorization.

30224256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 30224256 is about 5497.6591382151. The cubic root of 30224256 is about 311.4955688501.

Adding to 30224256 its reverse (65242203), we get a palindrome (95466459).

The spelling of 30224256 in words is "thirty million, two hundred twenty-four thousand, two hundred fifty-six".