30322224 has 120 divisors (see below), whose sum is σ = 89369280. Its totient is φ = 9588096.

The previous prime is 30322223. The next prime is 30322241. The reversal of 30322224 is 42222303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30322197 and 30322206.

It is not an unprimeable number, because it can be changed into a prime (30322223) 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 23 ways as a sum of consecutive naturals, for example, 365287 + ... + 365369.

It is an arithmetic number, because the mean of its divisors is an integer number (744744).

Almost surely, 2^30322224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30322224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44684640).

30322224 is an abundant number, since it is smaller than the sum of its proper divisors (59047056).

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

30322224 is a wasteful number, since it uses less digits than its factorization.

30322224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 30322224 is about 5506.5619037654. The cubic root of 30322224 is about 311.8317633431.

Adding to 30322224 its reverse (42222303), we get a palindrome (72544527).

The spelling of 30322224 in words is "thirty million, three hundred twenty-two thousand, two hundred twenty-four".