30322206 has 48 divisors (see below), whose sum is σ = 67970448. Its totient is φ = 9763200.

The previous prime is 30322147. The next prime is 30322207. The reversal of 30322206 is 60222303.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30322207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133465 + ... + 133691.

It is an arithmetic number, because the mean of its divisors is an integer number (1416051).

Almost surely, 2^30322206 is an apocalyptic number.

30322206 is an abundant number, since it is smaller than the sum of its proper divisors (37648242).

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

30322206 is a wasteful number, since it uses less digits than its factorization.

30322206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30322206 is about 5506.5602693515. The cubic root of 30322206 is about 311.8317016395.

Adding to 30322206 its reverse (60222303), we get a palindrome (90544509).

The spelling of 30322206 in words is "thirty million, three hundred twenty-two thousand, two hundred six".