214354221 has 4 divisors (see below), whose sum is σ = 285805632. Its totient is φ = 142902812.

The previous prime is 214354213. The next prime is 214354229. The reversal of 214354221 is 122453412.

214354221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (214354213) and next prime (214354229).

It is a cyclic number.

It is not a de Polignac number, because 214354221 - 2³ = 214354213 is a prime.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 214354191 and 214354200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214354229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35725701 + ... + 35725706.

It is an arithmetic number, because the mean of its divisors is an integer number (71451408).

Almost surely, 2^214354221 is an apocalyptic number.

It is an amenable number.

214354221 is a deficient number, since it is larger than the sum of its proper divisors (71451411).

214354221 is an equidigital number, since it uses as much as digits as its factorization.

214354221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71451410.

The product of its digits is 1920, while the sum is 24.

The square root of 214354221 is about 14640.8408570000. The cubic root of 214354221 is about 598.4722437922.

The spelling of 214354221 in words is "two hundred fourteen million, three hundred fifty-four thousand, two hundred twenty-one".