30201224 has 16 divisors (see below), whose sum is σ = 56810700. Its totient is φ = 15051712.

The previous prime is 30201221. The next prime is 30201229. The reversal of 30201224 is 42210203.

It can be written as a sum of positive squares in 2 ways, for example, as 26522500 + 3678724 = 5150^2 + 1918^2 .

It is a super-2 number, since 2×30201224² = 1824227862196352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30201199 and 30201208.

It is not an unprimeable number, because it can be changed into a prime (30201221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419 + ... + 8490.

Almost surely, 2^30201224 is an apocalyptic number.

It is an amenable number.

30201224 is a deficient number, since it is larger than the sum of its proper divisors (26609476).

30201224 is a wasteful number, since it uses less digits than its factorization.

30201224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12232 (or 12228 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30201224 is about 5495.5640292876. The cubic root of 30201224 is about 311.4164250316.

Adding to 30201224 its reverse (42210203), we get a palindrome (72411427).

The spelling of 30201224 in words is "thirty million, two hundred one thousand, two hundred twenty-four".