225043245320 has 64 divisors (see below), whose sum is σ = 537483541680. Its totient is φ = 84508655616.

The previous prime is 225043245313. The next prime is 225043245377. The reversal of 225043245320 is 23542340522.

It can be written as a sum of positive squares in 8 ways, for example, as 120019287844 + 105023957476 = 346438^2 + 324074^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146849 + ... + 686768.

Almost surely, 2^225043245320 is an apocalyptic number.

225043245320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225043245320 is an abundant number, since it is smaller than the sum of its proper divisors (312440296360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225043245320 is a wasteful number, since it uses less digits than its factorization.

225043245320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834042 (or 834038 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 225043245320 its reverse (23542340522), we get a palindrome (248585585842).

The spelling of 225043245320 in words is "two hundred twenty-five billion, forty-three million, two hundred forty-five thousand, three hundred twenty".