225225603316 has 240 divisors, whose sum is σ = 489240138240. Its totient is φ = 90612587520.

The previous prime is 225225603257. The next prime is 225225603319. The reversal of 225225603316 is 613306522522.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225225603319) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1993146876 + ... + 1993146988.

It is an arithmetic number, because the mean of its divisors is an integer number (2038500576).

Almost surely, 2^225225603316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225225603316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244620069120).

225225603316 is an abundant number, since it is smaller than the sum of its proper divisors (264014534924).

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

225225603316 is a wasteful number, since it uses less digits than its factorization.

225225603316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 225225603316 in words is "two hundred twenty-five billion, two hundred twenty-five million, six hundred three thousand, three hundred sixteen".