30021214 has 16 divisors (see below), whose sum is σ = 46539360. Its totient is φ = 14516320.

The previous prime is 30021193. The next prime is 30021217. The reversal of 30021214 is 41212003.

It is a junction number, because it is equal to n+sod(n) for n = 30021194 and 30021203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021217) 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 7 ways as a sum of consecutive naturals, for example, 5532 + ... + 9520.

It is an arithmetic number, because the mean of its divisors is an integer number (2908710).

Almost surely, 2^30021214 is an apocalyptic number.

30021214 is a deficient number, since it is larger than the sum of its proper divisors (16518146).

30021214 is a wasteful number, since it uses less digits than its factorization.

30021214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30021214 is about 5479.1617972095. The cubic root of 30021214 is about 310.7964742611.

Adding to 30021214 its reverse (41212003), we get a palindrome (71233217).

The spelling of 30021214 in words is "thirty million, twenty-one thousand, two hundred fourteen".