214324221 has 8 divisors (see below), whose sum is σ = 289790784. Its totient is φ = 140870240.

The previous prime is 214324217. The next prime is 214324267. The reversal of 214324221 is 122423412.

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

It is a cyclic number.

It is not a de Polignac number, because 214324221 - 2² = 214324217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214324021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502896 + ... + 503321.

It is an arithmetic number, because the mean of its divisors is an integer number (36223848).

Almost surely, 2^214324221 is an apocalyptic number.

It is an amenable number.

214324221 is a deficient number, since it is larger than the sum of its proper divisors (75466563).

214324221 is a wasteful number, since it uses less digits than its factorization.

214324221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006291.

The product of its digits is 768, while the sum is 21.

The square root of 214324221 is about 14639.8162898310. The cubic root of 214324221 is about 598.4443227108. Note that the first 3 decimals are identical.

Adding to 214324221 its reverse (122423412), we get a palindrome (336747633).

The spelling of 214324221 in words is "two hundred fourteen million, three hundred twenty-four thousand, two hundred twenty-one".