214441221 has 8 divisors (see below), whose sum is σ = 286077280. Its totient is φ = 142882992.

The previous prime is 214441217. The next prime is 214441231. The reversal of 214441221 is 122144412.

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

It is not a de Polignac number, because 214441221 - 2² = 214441217 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 (214441231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12691 + ... + 24288.

It is an arithmetic number, because the mean of its divisors is an integer number (35759660).

Almost surely, 2^214441221 is an apocalyptic number.

It is an amenable number.

214441221 is a deficient number, since it is larger than the sum of its proper divisors (71636059).

214441221 is a wasteful number, since it uses less digits than its factorization.

214441221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38915.

The product of its digits is 512, while the sum is 21.

The square root of 214441221 is about 14643.8116964129. The cubic root of 214441221 is about 598.5532001992.

Adding to 214441221 its reverse (122144412), we get a palindrome (336585633).

It can be divided in two parts, 2144 and 41221, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 214441221 in words is "two hundred fourteen million, four hundred forty-one thousand, two hundred twenty-one".