30340222 has 16 divisors (see below), whose sum is σ = 50990832. Its totient is φ = 13417920.

The previous prime is 30340201. The next prime is 30340229. The reversal of 30340222 is 22204303.

It is a junction number, because it is equal to n+sod(n) for n = 30340196 and 30340205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340229) by changing a digit.

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, 17823 + ... + 19450.

It is an arithmetic number, because the mean of its divisors is an integer number (3186927).

Almost surely, 2^30340222 is an apocalyptic number.

30340222 is a deficient number, since it is larger than the sum of its proper divisors (20650610).

30340222 is a wasteful number, since it uses less digits than its factorization.

30340222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37323.

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

The square root of 30340222 is about 5508.1958933938. The cubic root of 30340222 is about 311.8934478909.

Adding to 30340222 its reverse (22204303), we get a palindrome (52544525).

The spelling of 30340222 in words is "thirty million, three hundred forty thousand, two hundred twenty-two".