224001505225 has 6 divisors (see below), whose sum is σ = 277761866510. Its totient is φ = 179201204160.

The previous prime is 224001505223. The next prime is 224001505379. The reversal of 224001505225 is 522505100422.

It can be written as a sum of positive squares in 3 ways, for example, as 38898489529 + 185103015696 = 197227^2 + 430236^2 .

It is not a de Polignac number, because 224001505225 - 2¹ = 224001505223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224001505193 and 224001505202.

It is not an unprimeable number, because it can be changed into a prime (224001505223) 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, 4480030080 + ... + 4480030129.

Almost surely, 2^224001505225 is an apocalyptic number.

224001505225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224001505225 is a deficient number, since it is larger than the sum of its proper divisors (53760361285).

224001505225 is an equidigital number, since it uses as much as digits as its factorization.

224001505225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8960060219 (or 8960060214 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 224001505225 its reverse (522505100422), we get a palindrome (746506605647).

The spelling of 224001505225 in words is "two hundred twenty-four billion, one million, five hundred five thousand, two hundred twenty-five".