30421214 has 8 divisors (see below), whose sum is σ = 45837120. Its totient is φ = 15142176.

The previous prime is 30421207. The next prime is 30421247. The reversal of 30421214 is 41212403.

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

It is a super-2 number, since 2×30421214² = 1850900522467592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30421192 and 30421201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33659 + ... + 34550.

It is an arithmetic number, because the mean of its divisors is an integer number (5729640).

Almost surely, 2^30421214 is an apocalyptic number.

30421214 is a deficient number, since it is larger than the sum of its proper divisors (15415906).

30421214 is a wasteful number, since it uses less digits than its factorization.

30421214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68434.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 30421214 is about 5515.5429469817. The cubic root of 30421214 is about 312.1707303025.

Adding to 30421214 its reverse (41212403), we get a palindrome (71633617).

The spelling of 30421214 in words is "thirty million, four hundred twenty-one thousand, two hundred fourteen".