30322212 has 12 divisors (see below), whose sum is σ = 70751856. Its totient is φ = 10107400.

The previous prime is 30322207. The next prime is 30322213. The reversal of 30322212 is 21222303.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30322191 and 30322200.

It is not an unprimeable number, because it can be changed into a prime (30322213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263414 + ... + 1263437.

It is an arithmetic number, because the mean of its divisors is an integer number (5895988).

Almost surely, 2^30322212 is an apocalyptic number.

It is an amenable number.

30322212 is an abundant number, since it is smaller than the sum of its proper divisors (40429644).

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

30322212 is a wasteful number, since it uses less digits than its factorization.

30322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526858 (or 2526856 counting only the distinct ones).

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

The square root of 30322212 is about 5506.5608141561. The cubic root of 30322212 is about 311.8317222074.

Adding to 30322212 its reverse (21222303), we get a palindrome (51544515).

Subtracting from 30322212 its reverse (21222303), we obtain a palindrome (9099909).

The spelling of 30322212 in words is "thirty million, three hundred twenty-two thousand, two hundred twelve".