30221304 has 32 divisors (see below), whose sum is σ = 77597520. Its totient is φ = 9801216.

The previous prime is 30221281. The next prime is 30221351. The reversal of 30221304 is 40312203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16129 + ... + 17904.

Almost surely, 2^30221304 is an apocalyptic number.

It is an amenable number.

30221304 is an abundant number, since it is smaller than the sum of its proper divisors (47376216).

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

30221304 is a wasteful number, since it uses less digits than its factorization.

30221304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34079 (or 34075 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30221304 is about 5497.3906537557. The cubic root of 30221304 is about 311.4854272731.

Adding to 30221304 its reverse (40312203), we get a palindrome (70533507).

The spelling of 30221304 in words is "thirty million, two hundred twenty-one thousand, three hundred four".