221433014 has 8 divisors (see below), whose sum is σ = 362344968. Its totient is φ = 100651360.

The previous prime is 221433001. The next prime is 221433019. The reversal of 221433014 is 410334122.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221433019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5032547 + ... + 5032590.

It is an arithmetic number, because the mean of its divisors is an integer number (45293121).

Almost surely, 2^221433014 is an apocalyptic number.

221433014 is a deficient number, since it is larger than the sum of its proper divisors (140911954).

221433014 is a wasteful number, since it uses less digits than its factorization.

221433014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065150.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 221433014 is about 14880.6254572851. The cubic root of 221433014 is about 604.9889704976.

Adding to 221433014 its reverse (410334122), we get a palindrome (631767136).

The spelling of 221433014 in words is "two hundred twenty-one million, four hundred thirty-three thousand, fourteen".