30404224 has 32 divisors (see below), whose sum is σ = 60955200. Its totient is φ = 15105792.

The previous prime is 30404203. The next prime is 30404239. The reversal of 30404224 is 42240403.

It is a tau number, because it is divible by the number of its divisors (32).

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, 22249 + ... + 23575.

It is an arithmetic number, because the mean of its divisors is an integer number (1904850).

Almost surely, 2^30404224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30404224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30477600).

30404224 is an abundant number, since it is smaller than the sum of its proper divisors (30550976).

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

30404224 is a wasteful number, since it uses less digits than its factorization.

30404224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 30404224 is about 5514.0025389911. The cubic root of 30404224 is about 312.1126045443.

Adding to 30404224 its reverse (42240403), we get a palindrome (72644627).

It can be divided in two parts, 30404 and 224, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 30404224 in words is "thirty million, four hundred four thousand, two hundred twenty-four".