30315224 has 16 divisors (see below), whose sum is σ = 57056400. Its totient is φ = 15100192.

The previous prime is 30315209. The next prime is 30315227. The reversal of 30315224 is 42251303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30315196 and 30315205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30315227) 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, 4892 + ... + 9195.

It is an arithmetic number, because the mean of its divisors is an integer number (3566025).

Almost surely, 2^30315224 is an apocalyptic number.

It is an amenable number.

30315224 is a deficient number, since it is larger than the sum of its proper divisors (26741176).

30315224 is a wasteful number, since it uses less digits than its factorization.

30315224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14362 (or 14358 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30315224 is about 5505.9262617656. The cubic root of 30315224 is about 311.8077656494.

Adding to 30315224 its reverse (42251303), we get a palindrome (72566527).

The spelling of 30315224 in words is "thirty million, three hundred fifteen thousand, two hundred twenty-four".