214221205 has 16 divisors (see below), whose sum is σ = 280775808. Its totient is φ = 155608000.

The previous prime is 214221179. The next prime is 214221209. The reversal of 214221205 is 502122412.

It is not a de Polignac number, because 214221205 - 2²¹ = 212124053 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 (214221209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56520 + ... + 60190.

It is an arithmetic number, because the mean of its divisors is an integer number (17548488).

Almost surely, 2^214221205 is an apocalyptic number.

It is an amenable number.

214221205 is a deficient number, since it is larger than the sum of its proper divisors (66554603).

214221205 is a wasteful number, since it uses less digits than its factorization.

214221205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 214221205 is about 14636.2975167902. The cubic root of 214221205 is about 598.3484256006.

Adding to 214221205 its reverse (502122412), we get a palindrome (716343617).

The spelling of 214221205 in words is "two hundred fourteen million, two hundred twenty-one thousand, two hundred five".