224440001 has 12 divisors (see below), whose sum is σ = 242934012. Its totient is φ = 207237888.

The previous prime is 224439997. The next prime is 224440009. The reversal of 224440001 is 100044422.

It can be written as a sum of positive squares in 6 ways, for example, as 66912400 + 157527601 = 8180^2 + 12551^2 .

It is not a de Polignac number, because 224440001 - 2² = 224439997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (224440009) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 7991 + ... + 22643.

It is an arithmetic number, because the mean of its divisors is an integer number (20244501).

Almost surely, 2^224440001 is an apocalyptic number.

It is an amenable number.

224440001 is a deficient number, since it is larger than the sum of its proper divisors (18494011).

224440001 is a wasteful number, since it uses less digits than its factorization.

224440001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740 (or 14723 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 224440001 is about 14981.3217374169. The cubic root of 224440001 is about 607.7151837522.

Adding to 224440001 its reverse (100044422), we get a palindrome (324484423).

The spelling of 224440001 in words is "two hundred twenty-four million, four hundred forty thousand, one".