30990322 has 8 divisors (see below), whose sum is σ = 50711472. Its totient is φ = 14086500.

The previous prime is 30990313. The next prime is 30990329. The reversal of 30990322 is 22309903.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30990329) 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 3 ways as a sum of consecutive naturals, for example, 704304 + ... + 704347.

It is an arithmetic number, because the mean of its divisors is an integer number (6338934).

Almost surely, 2^30990322 is an apocalyptic number.

30990322 is a deficient number, since it is larger than the sum of its proper divisors (19721150).

30990322 is a wasteful number, since it uses less digits than its factorization.

30990322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408664.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 30990322 is about 5566.8951849303. The cubic root of 30990322 is about 314.1053712109.

The spelling of 30990322 in words is "thirty million, nine hundred ninety thousand, three hundred twenty-two".