214614221 has 4 divisors (see below), whose sum is σ = 214654752. Its totient is φ = 214573692.

The previous prime is 214614217. The next prime is 214614223. The reversal of 214614221 is 122416412.

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 a cyclic number.

It is not a de Polignac number, because 214614221 - 2² = 214614217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214614223) 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 3 ways as a sum of consecutive naturals, for example, 10871 + ... + 23396.

It is an arithmetic number, because the mean of its divisors is an integer number (53663688).

Almost surely, 2^214614221 is an apocalyptic number.

It is an amenable number.

214614221 is a deficient number, since it is larger than the sum of its proper divisors (40531).

214614221 is an equidigital number, since it uses as much as digits as its factorization.

214614221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40530.

The product of its digits is 768, while the sum is 23.

The square root of 214614221 is about 14649.7174375481. The cubic root of 214614221 is about 598.7141174417.

The spelling of 214614221 in words is "two hundred fourteen million, six hundred fourteen thousand, two hundred twenty-one".