214144332221 has 8 divisors (see below), whose sum is σ = 217366381920. Its totient is φ = 210923043408.

The previous prime is 214144332163. The next prime is 214144332223. The reversal of 214144332221 is 122233441412.

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

It is a cyclic number.

It is not a de Polignac number, because 214144332221 - 2³⁴ = 196964463037 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 (214144332223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390110 + ... + 761888.

It is an arithmetic number, because the mean of its divisors is an integer number (27170797740).

Almost surely, 2^214144332221 is an apocalyptic number.

It is an amenable number.

214144332221 is a deficient number, since it is larger than the sum of its proper divisors (3222049699).

214144332221 is an equidigital number, since it uses as much as digits as its factorization.

214144332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380443.

The product of its digits is 9216, while the sum is 29.

Adding to 214144332221 its reverse (122233441412), we get a palindrome (336377773633).

The spelling of 214144332221 in words is "two hundred fourteen billion, one hundred forty-four million, three hundred thirty-two thousand, two hundred twenty-one".