221444114 has 4 divisors (see below), whose sum is σ = 332166174. Its totient is φ = 110722056.

The previous prime is 221444099. The next prime is 221444131. The reversal of 221444114 is 411444122.

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

It can be written as a sum of positive squares in only one way, i.e., 218537089 + 2907025 = 14783^2 + 1705^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 221444114.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55361027 + ... + 55361030.

Almost surely, 2^221444114 is an apocalyptic number.

221444114 is a deficient number, since it is larger than the sum of its proper divisors (110722060).

221444114 is a wasteful number, since it uses less digits than its factorization.

221444114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110722059.

The product of its digits is 1024, while the sum is 23.

The square root of 221444114 is about 14880.9984208050. The cubic root of 221444114 is about 604.9990792965. Note that the first 3 decimals are identical.

Adding to 221444114 its reverse (411444122), we get a palindrome (632888236).

The spelling of 221444114 in words is "two hundred twenty-one million, four hundred forty-four thousand, one hundred fourteen".