201224401 has 8 divisors (see below), whose sum is σ = 239969664. Its totient is φ = 164978880.

The previous prime is 201224363. The next prime is 201224467. The reversal of 201224401 is 104422102.

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

It is a cyclic number.

It is not a de Polignac number, because 201224401 - 2¹⁷ = 201093329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201224201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624760 + ... + 625081.

It is an arithmetic number, because the mean of its divisors is an integer number (29996208).

Almost surely, 2^201224401 is an apocalyptic number.

It is an amenable number.

201224401 is a deficient number, since it is larger than the sum of its proper divisors (38745263).

201224401 is a wasteful number, since it uses less digits than its factorization.

201224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249871.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 201224401 is about 14185.3586842209. The cubic root of 201224401 is about 585.9945106592.

Adding to 201224401 its reverse (104422102), we get a palindrome (305646503).

The spelling of 201224401 in words is "two hundred one million, two hundred twenty-four thousand, four hundred one".