30323222 has 16 divisors (see below), whose sum is σ = 46500000. Its totient is φ = 14826240.

The previous prime is 30323203. The next prime is 30323233. The reversal of 30323222 is 22232303.

It is a super-2 number, since 2×30323222² = 1838995584922568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30323222.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23654 + ... + 24902.

It is an arithmetic number, because the mean of its divisors is an integer number (2906250).

Almost surely, 2^30323222 is an apocalyptic number.

30323222 is a deficient number, since it is larger than the sum of its proper divisors (16176778).

30323222 is a wasteful number, since it uses less digits than its factorization.

30323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30323222 is about 5506.6525221772. The cubic root of 30323222 is about 311.8351844278.

Adding to 30323222 its reverse (22232303), we get a palindrome (52555525).

The spelling of 30323222 in words is "thirty million, three hundred twenty-three thousand, two hundred twenty-two".