30684422 has 8 divisors (see below), whose sum is σ = 48734136. Its totient is φ = 14439712.

The previous prime is 30684419. The next prime is 30684427. The reversal of 30684422 is 22448603.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30684427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451208 + ... + 451275.

It is an arithmetic number, because the mean of its divisors is an integer number (6091767).

Almost surely, 2^30684422 is an apocalyptic number.

30684422 is a deficient number, since it is larger than the sum of its proper divisors (18049714).

30684422 is a wasteful number, since it uses less digits than its factorization.

30684422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902502.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 30684422 is about 5539.3521281825. The cubic root of 30684422 is about 313.0684590667.

The spelling of 30684422 in words is "thirty million, six hundred eighty-four thousand, four hundred twenty-two".