221244314 has 16 divisors (see below), whose sum is σ = 348833088. Its totient is φ = 105037152.

The previous prime is 221244311. The next prime is 221244329. The reversal of 221244314 is 413442122.

221244314 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 221244314.

It is not an unprimeable number, because it can be changed into a prime (221244311) 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, 11252 + ... + 23855.

It is an arithmetic number, because the mean of its divisors is an integer number (21802068).

Almost surely, 2^221244314 is an apocalyptic number.

221244314 is a deficient number, since it is larger than the sum of its proper divisors (127588774).

221244314 is a wasteful number, since it uses less digits than its factorization.

221244314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35269.

The product of its digits is 1536, while the sum is 23.

The square root of 221244314 is about 14874.2836466164. The cubic root of 221244314 is about 604.8170692071.

Adding to 221244314 its reverse (413442122), we get a palindrome (634686436).

The spelling of 221244314 in words is "two hundred twenty-one million, two hundred forty-four thousand, three hundred fourteen".