305013224 has 16 divisors (see below), whose sum is σ = 572086500. Its totient is φ = 152456832.

The previous prime is 305013211. The next prime is 305013239. The reversal of 305013224 is 422310503.

It is a happy number.

305013224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 274564900 + 30448324 = 16570^2 + 5518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 305013196 and 305013205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40094 + ... + 47090.

Almost surely, 2^305013224 is an apocalyptic number.

It is an amenable number.

305013224 is a deficient number, since it is larger than the sum of its proper divisors (267073276).

305013224 is a wasteful number, since it uses less digits than its factorization.

305013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12452 (or 12448 counting only the distinct ones).

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

The square root of 305013224 is about 17464.6277944879. The cubic root of 305013224 is about 673.1412779921.

Adding to 305013224 its reverse (422310503), we get a palindrome (727323727).

The spelling of 305013224 in words is "three hundred five million, thirteen thousand, two hundred twenty-four".