225234504443 has 64 divisors (see below), whose sum is σ = 266536085760. Its totient is φ = 189760057344.

The previous prime is 225234504431. The next prime is 225234504503. The reversal of 225234504443 is 344405432522.

It is not a de Polignac number, because 225234504443 - 2⁴ = 225234504427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225234504397 and 225234504406.

It is not an unprimeable number, because it can be changed into a prime (225234503443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99090155 + ... + 99092427.

It is an arithmetic number, because the mean of its divisors is an integer number (4164626340).

Almost surely, 2^225234504443 is an apocalyptic number.

225234504443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

225234504443 is a deficient number, since it is larger than the sum of its proper divisors (41301581317).

225234504443 is a wasteful number, since it uses less digits than its factorization.

225234504443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 225234504443 its reverse (344405432522), we get a palindrome (569639936965).

The spelling of 225234504443 in words is "two hundred twenty-five billion, two hundred thirty-four million, five hundred four thousand, four hundred forty-three".