30028622 has 8 divisors (see below), whose sum is σ = 48507816. Its totient is φ = 13859352.

The previous prime is 30028589. The next prime is 30028627. The reversal of 30028622 is 22682003.

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 (30028627) 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, 577448 + ... + 577499.

It is an arithmetic number, because the mean of its divisors is an integer number (6063477).

Almost surely, 2^30028622 is an apocalyptic number.

30028622 is a deficient number, since it is larger than the sum of its proper divisors (18479194).

30028622 is a wasteful number, since it uses less digits than its factorization.

30028622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154962.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30028622 is about 5479.8377713213. The cubic root of 30028622 is about 310.8220360847.

The spelling of 30028622 in words is "thirty million, twenty-eight thousand, six hundred twenty-two".