224720001 has 40 divisors (see below), whose sum is σ = 368517600. Its totient is φ = 135336960.

The previous prime is 224719987. The next prime is 224720017. The reversal of 224720001 is 100027422.

It is not a de Polignac number, because 224720001 - 2⁹ = 224719489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224727001) 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 39 ways as a sum of consecutive naturals, for example, 158785 + ... + 160193.

It is an arithmetic number, because the mean of its divisors is an integer number (9212940).

Almost surely, 2^224720001 is an apocalyptic number.

It is an amenable number.

224720001 is a deficient number, since it is larger than the sum of its proper divisors (143797599).

224720001 is a wasteful number, since it uses less digits than its factorization.

224720001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 224720001 is about 14990.6637945089. The cubic root of 224720001 is about 607.9677969800.

Adding to 224720001 its reverse (100027422), we get a palindrome (324747423).

The spelling of 224720001 in words is "two hundred twenty-four million, seven hundred twenty thousand, one".