214314021 has 24 divisors (see below), whose sum is σ = 319958496. Its totient is φ = 138146400.

The previous prime is 214314017. The next prime is 214314041. The reversal of 214314021 is 120413412.

It is not a de Polignac number, because 214314021 - 2² = 214314017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214313985 and 214314003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214314041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36346 + ... + 41828.

It is an arithmetic number, because the mean of its divisors is an integer number (13331604).

Almost surely, 2^214314021 is an apocalyptic number.

It is an amenable number.

214314021 is a deficient number, since it is larger than the sum of its proper divisors (105644475).

214314021 is a wasteful number, since it uses less digits than its factorization.

214314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633 (or 5630 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 214314021 is about 14639.4679206589. The cubic root of 214314021 is about 598.4348289496.

Adding to 214314021 its reverse (120413412), we get a palindrome (334727433).

It can be divided in two parts, 21431 and 4021, that added together give a palindrome (25452).

The spelling of 214314021 in words is "two hundred fourteen million, three hundred fourteen thousand, twenty-one".