30305022 has 16 divisors (see below), whose sum is σ = 66120192. Its totient is φ = 9183320.

The previous prime is 30305017. The next prime is 30305039. The reversal of 30305022 is 22050303.

It is a junction number, because it is equal to n+sod(n) for n = 30304992 and 30305010.

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, 229518 + ... + 229649.

It is an arithmetic number, because the mean of its divisors is an integer number (4132512).

Almost surely, 2^30305022 is an apocalyptic number.

30305022 is an abundant number, since it is smaller than the sum of its proper divisors (35815170).

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

30305022 is a wasteful number, since it uses less digits than its factorization.

30305022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459183.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 30305022 is about 5504.9997275204. Note that the first 3 decimals coincide. The cubic root of 30305022 is about 311.7727841086.

Adding to 30305022 its reverse (22050303), we get a palindrome (52355325).

The spelling of 30305022 in words is "thirty million, three hundred five thousand, twenty-two".