224225465 has 4 divisors (see below), whose sum is σ = 269070564. Its totient is φ = 179380368.

The previous prime is 224225437. The next prime is 224225489. The reversal of 224225465 is 564522422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564522422 = 2 ⋅282261211.

It can be written as a sum of positive squares in 2 ways, for example, as 55771024 + 168454441 = 7468^2 + 12979^2 .

It is a cyclic number.

It is not a de Polignac number, because 224225465 - 2⁶ = 224225401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22422542 + ... + 22422551.

It is an arithmetic number, because the mean of its divisors is an integer number (67267641).

Almost surely, 2^224225465 is an apocalyptic number.

It is an amenable number.

224225465 is a deficient number, since it is larger than the sum of its proper divisors (44845099).

224225465 is an equidigital number, since it uses as much as digits as its factorization.

224225465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44845098.

The product of its digits is 38400, while the sum is 32.

The square root of 224225465 is about 14974.1599096577. The cubic root of 224225465 is about 607.5214893018.

Adding to 224225465 its reverse (564522422), we get a palindrome (788747887).

The spelling of 224225465 in words is "two hundred twenty-four million, two hundred twenty-five thousand, four hundred sixty-five".