214443321 has 16 divisors (see below), whose sum is σ = 303099264. Its totient is φ = 134394624.

The previous prime is 214443293. The next prime is 214443331. The reversal of 214443321 is 123344412.

It is not a de Polignac number, because 214443321 - 2¹⁰ = 214442297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214443291 and 214443300.

It is not an unprimeable number, because it can be changed into a prime (214443331) 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, 53820 + ... + 57666.

It is an arithmetic number, because the mean of its divisors is an integer number (18943704).

Almost surely, 2^214443321 is an apocalyptic number.

It is an amenable number.

214443321 is a deficient number, since it is larger than the sum of its proper divisors (88655943).

214443321 is a wasteful number, since it uses less digits than its factorization.

214443321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960.

The product of its digits is 2304, while the sum is 24.

The square root of 214443321 is about 14643.8833988802. The cubic root of 214443321 is about 598.5551540487. Note that the first 3 decimals are identical.

Adding to 214443321 its reverse (123344412), we get a palindrome (337787733).

The spelling of 214443321 in words is "two hundred fourteen million, four hundred forty-three thousand, three hundred twenty-one".