225555254716 has 72 divisors (see below), whose sum is σ = 456846258960. Its totient is φ = 96574732800.

The previous prime is 225555254711. The next prime is 225555254741. The reversal of 225555254716 is 617452555522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225555254716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225555254711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1442830 + ... + 1591498.

It is an arithmetic number, because the mean of its divisors is an integer number (6345086930).

Almost surely, 2^225555254716 is an apocalyptic number.

It is an amenable number.

225555254716 is an abundant number, since it is smaller than the sum of its proper divisors (231291004244).

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

225555254716 is a wasteful number, since it uses less digits than its factorization.

225555254716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148783 (or 148752 counting only the distinct ones).

The product of its digits is 4200000, while the sum is 49.

The spelling of 225555254716 in words is "two hundred twenty-five billion, five hundred fifty-five million, two hundred fifty-four thousand, seven hundred sixteen".