30028922 has 32 divisors (see below), whose sum is σ = 56471040. Its totient is φ = 11634480.

The previous prime is 30028913. The next prime is 30028937. The reversal of 30028922 is 22982003.

It is a junction number, because it is equal to n+sod(n) for n = 30028891 and 30028900.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34529 + ... + 35387.

It is an arithmetic number, because the mean of its divisors is an integer number (1764720).

Almost surely, 2^30028922 is an apocalyptic number.

30028922 is a deficient number, since it is larger than the sum of its proper divisors (26442118).

30028922 is a wasteful number, since it uses less digits than its factorization.

30028922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30028922 is about 5479.8651443261. The cubic root of 30028922 is about 310.8230711672.

The spelling of 30028922 in words is "thirty million, twenty-eight thousand, nine hundred twenty-two".