225223440544 has 48 divisors (see below), whose sum is σ = 460526562720. Its totient is φ = 108295264000.

The previous prime is 225223440539. The next prime is 225223440551. The reversal of 225223440544 is 445044322522.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250534 + ... + 716389.

It is an arithmetic number, because the mean of its divisors is an integer number (9594303390).

Almost surely, 2^225223440544 is an apocalyptic number.

It is an amenable number.

225223440544 is an abundant number, since it is smaller than the sum of its proper divisors (235303122176).

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

225223440544 is a wasteful number, since it uses less digits than its factorization.

225223440544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967213 (or 967205 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

The spelling of 225223440544 in words is "two hundred twenty-five billion, two hundred twenty-three million, four hundred forty thousand, five hundred forty-four".