224520461 has 6 divisors (see below), whose sum is σ = 246787086. Its totient is φ = 204109400.

The previous prime is 224520437. The next prime is 224520463. The reversal of 224520461 is 164025422.

224520461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 195468361 + 29052100 = 13981^2 + 5390^2 .

It is a de Polignac number, because none of the positive numbers 2^k-224520461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 224520461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224520463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 927650 + ... + 927891.

It is an arithmetic number, because the mean of its divisors is an integer number (41131181).

Almost surely, 2^224520461 is an apocalyptic number.

It is an amenable number.

224520461 is a deficient number, since it is larger than the sum of its proper divisors (22266625).

224520461 is a wasteful number, since it uses less digits than its factorization.

224520461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855563 (or 1855552 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 224520461 is about 14984.0068406284. The cubic root of 224520461 is about 607.7877954696.

Adding to 224520461 its reverse (164025422), we get a palindrome (388545883).

The spelling of 224520461 in words is "two hundred twenty-four million, five hundred twenty thousand, four hundred sixty-one".