224404465 has 16 divisors (see below), whose sum is σ = 279061200. Its totient is φ = 173028352.

The previous prime is 224404463. The next prime is 224404469. The reversal of 224404465 is 564404422.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 28740321 + 195664144 = 5361^2 + 13988^2 .

It is a cyclic number.

It is not a de Polignac number, because 224404465 - 2¹ = 224404463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224404463) 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 15 ways as a sum of consecutive naturals, for example, 116349 + ... + 118261.

It is an arithmetic number, because the mean of its divisors is an integer number (17441325).

Almost surely, 2^224404465 is an apocalyptic number.

It is an amenable number.

224404465 is a deficient number, since it is larger than the sum of its proper divisors (54656735).

224404465 is a wasteful number, since it uses less digits than its factorization.

224404465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 224404465 is about 14980.1356802934. The cubic root of 224404465 is about 607.6831085033.

Adding to 224404465 its reverse (564404422), we get a palindrome (788808887).

The spelling of 224404465 in words is "two hundred twenty-four million, four hundred four thousand, four hundred sixty-five".