30224140 has 12 divisors (see below), whose sum is σ = 63470736. Its totient is φ = 12089648.

The previous prime is 30224123. The next prime is 30224143. The reversal of 30224140 is 4142203.

It is not an unprimeable number, because it can be changed into a prime (30224143) 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, 755584 + ... + 755623.

It is an arithmetic number, because the mean of its divisors is an integer number (5289228).

Almost surely, 2^30224140 is an apocalyptic number.

It is an amenable number.

30224140 is an abundant number, since it is smaller than the sum of its proper divisors (33246596).

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

30224140 is a wasteful number, since it uses less digits than its factorization.

30224140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511216 (or 1511214 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30224140 is about 5497.6485882603. The cubic root of 30224140 is about 311.4951703453.

Adding to 30224140 its reverse (4142203), we get a palindrome (34366343).

It can be divided in two parts, 302 and 24140, that added together give a palindrome (24442).

The spelling of 30224140 in words is "thirty million, two hundred twenty-four thousand, one hundred forty".