225905504444 has 12 divisors (see below), whose sum is σ = 395951383968. Its totient is φ = 112776537600.

The previous prime is 225905504443. The next prime is 225905504471. The reversal of 225905504444 is 444405509522.

It is a junction number, because it is equal to n+sod(n) for n = 225905504395 and 225905504404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225905504443) 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, 44050772 + ... + 44055899.

It is an arithmetic number, because the mean of its divisors is an integer number (32995948664).

Almost surely, 2^225905504444 is an apocalyptic number.

It is an amenable number.

225905504444 is a deficient number, since it is larger than the sum of its proper divisors (170045879524).

225905504444 is a wasteful number, since it uses less digits than its factorization.

225905504444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88107316 (or 88107314 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 225905504444 in words is "two hundred twenty-five billion, nine hundred five million, five hundred four thousand, four hundred forty-four".