225823815824 has 40 divisors (see below), whose sum is σ = 467370722520. Its totient is φ = 105329573888.

The previous prime is 225823815797. The next prime is 225823815853. The reversal of 225823815824 is 428518328522.

It can be written as a sum of positive squares in 4 ways, for example, as 4799718400 + 221024097424 = 69280^2 + 470132^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3642869 + ... + 3704340.

It is an arithmetic number, because the mean of its divisors is an integer number (11684268063).

Almost surely, 2^225823815824 is an apocalyptic number.

It is an amenable number.

225823815824 is an abundant number, since it is smaller than the sum of its proper divisors (241546906696).

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

225823815824 is a wasteful number, since it uses less digits than its factorization.

225823815824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347347 (or 7347341 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 50.

The spelling of 225823815824 in words is "two hundred twenty-five billion, eight hundred twenty-three million, eight hundred fifteen thousand, eight hundred twenty-four".