221234432214 has 8 divisors (see below), whose sum is σ = 442468864440. Its totient is φ = 73744810736.

The previous prime is 221234432207. The next prime is 221234432219. The reversal of 221234432214 is 412234432122.

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

221234432214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221234432219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18436202679 + ... + 18436202690.

It is an arithmetic number, because the mean of its divisors is an integer number (55308608055).

Almost surely, 2^221234432214 is an apocalyptic number.

221234432214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221234432214 is a wasteful number, since it uses less digits than its factorization.

221234432214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36872405374.

The product of its digits is 18432, while the sum is 30.

Adding to 221234432214 its reverse (412234432122), we get a palindrome (633468864336).

The spelling of 221234432214 in words is "two hundred twenty-one billion, two hundred thirty-four million, four hundred thirty-two thousand, two hundred fourteen".