30304222 has 16 divisors (see below), whose sum is σ = 49048272. Its totient is φ = 13959360.

The previous prime is 30304187. The next prime is 30304231. The reversal of 30304222 is 22240303.

It is a junction number, because it is equal to n+sod(n) for n = 30304196 and 30304205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19722 + ... + 21202.

It is an arithmetic number, because the mean of its divisors is an integer number (3065517).

Almost surely, 2^30304222 is an apocalyptic number.

30304222 is a deficient number, since it is larger than the sum of its proper divisors (18744050).

30304222 is a wasteful number, since it uses less digits than its factorization.

30304222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30304222 is about 5504.9270658202. The cubic root of 30304222 is about 311.7700406643.

Adding to 30304222 its reverse (22240303), we get a palindrome (52544525).

The spelling of 30304222 in words is "thirty million, three hundred four thousand, two hundred twenty-two".