144221211 has 6 divisors (see below), whose sum is σ = 208319540. Its totient is φ = 96147468.

The previous prime is 144221179. The next prime is 144221213. The reversal of 144221211 is 112122441.

144221211 is a `hidden beast` number, since 1 + 442 + 212 + 11 = 666.

It is not a de Polignac number, because 144221211 - 2⁵ = 144221179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8012281 + ... + 8012298.

Almost surely, 2^144221211 is an apocalyptic number.

144221211 is a deficient number, since it is larger than the sum of its proper divisors (64098329).

144221211 is a wasteful number, since it uses less digits than its factorization.

144221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16024585 (or 16024582 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 144221211 is about 12009.2135879082. The cubic root of 144221211 is about 524.4165382011.

Adding to 144221211 its reverse (112122441), we get a palindrome (256343652).

The spelling of 144221211 in words is "one hundred forty-four million, two hundred twenty-one thousand, two hundred eleven".