30120022 has 8 divisors (see below), whose sum is σ = 47837736. Its totient is φ = 14174112.

The previous prime is 30120017. The next prime is 30120023. The reversal of 30120022 is 22002103.

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

It is a junction number, because it is equal to n+sod(n) for n = 30119990 and 30120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120023) 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, 442908 + ... + 442975.

It is an arithmetic number, because the mean of its divisors is an integer number (5979717).

Almost surely, 2^30120022 is an apocalyptic number.

30120022 is a deficient number, since it is larger than the sum of its proper divisors (17717714).

30120022 is a wasteful number, since it uses less digits than its factorization.

30120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885902.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30120022 is about 5488.1710979160. The cubic root of 30120022 is about 311.1370728429.

Adding to 30120022 its reverse (22002103), we get a palindrome (52122125).

The spelling of 30120022 in words is "thirty million, one hundred twenty thousand, twenty-two".