30678222 has 8 divisors (see below), whose sum is σ = 61356456. Its totient is φ = 10226072.

The previous prime is 30678191. The next prime is 30678227. The reversal of 30678222 is 22287603.

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

30678222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 30678222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30678227) 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 3 ways as a sum of consecutive naturals, for example, 2556513 + ... + 2556524.

It is an arithmetic number, because the mean of its divisors is an integer number (7669557).

Almost surely, 2^30678222 is an apocalyptic number.

30678222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30678222 is a wasteful number, since it uses less digits than its factorization.

30678222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113042.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 30678222 is about 5538.7924676774. The cubic root of 30678222 is about 313.0473717628.

The spelling of 30678222 in words is "thirty million, six hundred seventy-eight thousand, two hundred twenty-two".