214226443 has 4 divisors (see below), whose sum is σ = 214685640. Its totient is φ = 213767248.

The previous prime is 214226437. The next prime is 214226459. The reversal of 214226443 is 344622412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214226443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214226543) 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, 228898 + ... + 229831.

It is an arithmetic number, because the mean of its divisors is an integer number (53671410).

Almost surely, 2^214226443 is an apocalyptic number.

214226443 is a deficient number, since it is larger than the sum of its proper divisors (459197).

214226443 is an equidigital number, since it uses as much as digits as its factorization.

214226443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459196.

The product of its digits is 9216, while the sum is 28.

The square root of 214226443 is about 14636.4764543930. The cubic root of 214226443 is about 598.3533023719.

Adding to 214226443 its reverse (344622412), we get a palindrome (558848855).

The spelling of 214226443 in words is "two hundred fourteen million, two hundred twenty-six thousand, four hundred forty-three".