225144824433 has 4 divisors (see below), whose sum is σ = 300193099248. Its totient is φ = 150096549620.

The previous prime is 225144824431. The next prime is 225144824449. The reversal of 225144824433 is 334428441522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225144824433 - 2¹ = 225144824431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225144824431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37524137403 + ... + 37524137408.

It is an arithmetic number, because the mean of its divisors is an integer number (75048274812).

Almost surely, 2^225144824433 is an apocalyptic number.

It is an amenable number.

225144824433 is a deficient number, since it is larger than the sum of its proper divisors (75048274815).

225144824433 is an equidigital number, since it uses as much as digits as its factorization.

225144824433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75048274814.

The product of its digits is 737280, while the sum is 42.

The spelling of 225144824433 in words is "two hundred twenty-five billion, one hundred forty-four million, eight hundred twenty-four thousand, four hundred thirty-three".