225724275616 has 48 divisors (see below), whose sum is σ = 507950352000. Its totient is φ = 96725502720.

The previous prime is 225724275611. The next prime is 225724275631. The reversal of 225724275616 is 616572427522.

It is a self number, because there is not a number n which added to its sum of digits gives 225724275616.

It is not an unprimeable number, because it can be changed into a prime (225724275611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634010 + ... + 1766758.

It is an arithmetic number, because the mean of its divisors is an integer number (10582299000).

Almost surely, 2^225724275616 is an apocalyptic number.

It is an amenable number.

225724275616 is an abundant number, since it is smaller than the sum of its proper divisors (282226076384).

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

225724275616 is a wasteful number, since it uses less digits than its factorization.

225724275616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140357 (or 140349 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 49.

The spelling of 225724275616 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred seventy-five thousand, six hundred sixteen".