30001224 has 48 divisors (see below), whose sum is σ = 82449360. Its totient is φ = 9090400.

The previous prime is 30001201. The next prime is 30001241. The reversal of 30001224 is 42210003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2262 + ... + 8069.

It is an arithmetic number, because the mean of its divisors is an integer number (1717695).

Almost surely, 2^30001224 is an apocalyptic number.

It is an amenable number.

30001224 is an abundant number, since it is smaller than the sum of its proper divisors (52448136).

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

30001224 is a wasteful number, since it uses less digits than its factorization.

30001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 10347 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30001224 is about 5477.3373093137. The cubic root of 30001224 is about 310.7274763741.

Adding to 30001224 its reverse (42210003), we get a palindrome (72211227).

It can be divided in two parts, 3000 and 1224, that added together give a palindrome (4224).

The spelling of 30001224 in words is "thirty million, one thousand, two hundred twenty-four".