201224441 has 16 divisors (see below), whose sum is σ = 227598336. Its totient is φ = 176250000.

The previous prime is 201224363. The next prime is 201224467. The reversal of 201224441 is 144422102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201224441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201224341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84416 + ... + 86766.

It is an arithmetic number, because the mean of its divisors is an integer number (14224896).

Almost surely, 2^201224441 is an apocalyptic number.

It is an amenable number.

201224441 is a deficient number, since it is larger than the sum of its proper divisors (26373895).

201224441 is a wasteful number, since it uses less digits than its factorization.

201224441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 201224441 is about 14185.3600941252. The cubic root of 201224441 is about 585.9945494878.

Adding to 201224441 its reverse (144422102), we get a palindrome (345646543).

The spelling of 201224441 in words is "two hundred one million, two hundred twenty-four thousand, four hundred forty-one".