30396224 has 14 divisors (see below), whose sum is σ = 60317634. Its totient is φ = 15198080.

The previous prime is 30396217. The next prime is 30396229. The reversal of 30396224 is 42269303.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 3356224 = 5200^2 + 1832^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30396229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237407 + ... + 237534.

Almost surely, 2^30396224 is an apocalyptic number.

It is an amenable number.

30396224 is a deficient number, since it is larger than the sum of its proper divisors (29921410).

30396224 is an equidigital number, since it uses as much as digits as its factorization.

30396224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474953 (or 474943 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 30396224 is about 5513.2770654122. The cubic root of 30396224 is about 312.0852276480.

The spelling of 30396224 in words is "thirty million, three hundred ninety-six thousand, two hundred twenty-four".